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5th UIL science 15-16

Total questions: 497

Worksheet time: 8hrs 30mins

Name
Class
Date
1.

An ice cube is placed on to a hot pan that is sitting on the countertop. How will the heat energy move?

a)

The coldness will move from the pan to the ice cube.

b)

The coldness will move from the ice cube to the pan.

c)

The heat will travel from the pan to the ice cube.

d)

The heat will move from the ice cube to the pan.

2.
Which direction is heat flowing in the picture?
a)
from the hand to the ice
b)
from the ice to the hand
c)
heat is not being transferred
d)
there is no way to tell
3.
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
a)
The pavement will conduct the heat and cook the egg.
b)
The egg will reflect the heat and make the pavement hotter underneath.
c)
The egg will absorb the heat  and leave the pavement hotter underneath.
d)
The pavement will absorb the heat from the egg, and the egg will stay raw.
4.

The earth receives heat energy from the sun by _______________, which is the transfer of energy as electromagnetic waves.

a)
radiation
b)
convection
c)
conduction
d)
greenhouse effect
5.
Compared to the ocean, land heats up and cools down
a)
Faster
b)
 Slower
c)
 Equally
d)
Gradually
6.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
7.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
8.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction

b)

convection

c)

radiation

9.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

a)

Hotter to colder

b)

Colder to hotter

c)

Hotter to hotter

d)

Colder to colder

10.

When you use a microwave, what is the main way that heat is transferred?

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

11.

An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through

a)

conduction

b)

convection

c)

radiation

12.

You get sunburned due to __________ from the sun.

a)

conduction

b)

convection

c)

radiation

13.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction

b)

convection

c)

radiation

14.

Which Earth's surface heats quicker, sand or water?

a)

Water

b)

Sand

c)

N/A

d)

N/A

15.

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

a)

Hotter to colder

b)

Colder to hotter

c)

Hotter to hotter

d)

Colder to colder

16.

The kind of heat transfer that travels through space in electromagnetic waves is ______________________.

a)

insulation.

b)

Radiation

c)

Conduction

d)

Convection

17.
___________________ is the type of heat transfer that occurs in fluids, such as warm air rising and cold air sinking; creating wind.
a)
Convection
b)
Conduction
c)
Radiation
d)
insulation.
18.

When you use a microwave, what is the main way that heat is transferred?

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

19.

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

a)

Convection

b)

Conduction

c)

Radiation

d)

insulation.

20.
Warm air rises and the cool air sinks demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
d)
Insolation 
21.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer. 
a)
conduction
b)
convection
c)
radiation
22.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
23.

The Law of Conservation of Energy states that

a)

energy is always created and destroyed.

b)

energy is neither created or destroyed, it just moves and transforms.

c)

energy is always created; but never destroyed or transformed.

24.

______________________ occurs when energy changes from one form to another.

a)

Energy transformation

b)

Energy transfer

c)

Energy balance

d)

Energy equilibrium

25.

_______________________ is stored energy to position or arrangement of particles in an object.

a)

kinetic energy

b)

potential energy

c)

thermal energy

d)

electrical energy

26.

Certain prehistoric events led to the formation of oil. Which of the following was one of those events?

a)

Microscopic life in the sea died and was buried under sediment.

b)

Giant wind storms destroyed forests.

c)

Icebergs melted at the North and South Poles.

d)

Heavy flooding soaked the Earth’s crust.

27.

What is the primary source material for the formation of oil deposits?

a)

Remains of ancient marine organisms buried under layers of sediment.

b)

Volcanic ash from prehistoric eruptions.

c)

Minerals dissolved in groundwater.

d)

Sand carried by desert winds.

28.

Which condition was essential for the transformation of organic matter into oil over millions of years?

a)

Frequent volcanic eruptions.

b)

Constant freezing temperatures.

c)

Direct exposure to sunlight.

d)

High pressure and absence of oxygen.

29.

How did sediments contribute to the formation of oil in prehistoric times?

a)

They buried dead organisms, preventing decay by oxygen.

b)

They provided nutrients for plant growth.

c)

They reflected sunlight back into the atmosphere.

d)

They caused earthquakes that mixed the Earth's crust.

30.
Fossil Fuels formed over long periods of time after particles in water settled to the sea floor and formed marine mud.  What kinds of particles needed to be present in the marine mud in order for fossil fuels to form.
a)
Mostly sand and a few small bits of wood
b)
Mostly decaying organisms
c)
Mostly lava and a few sedimentary rocks
d)
Mostly metal minerals
31.
What fossil fuel is in the image?
a)
Coal
b)
Natural Gas
c)
Petroleum
32.
What fossil fuel is in the image?
a)
Natural Gas
b)
Steam
c)
Coal
d)
Petroleum
33.
Energy stored by plants hundreds of millions of years ago that are buried underground are the energy we find in...
a)
electricity
b)
fossil fuels
c)
natural gas
d)
geothermal
34.
Oil comes from deep underground. When people have used all of the oil on Earth, it will be gone. What kind of resource is oil?
a)
a renewable resource
b)
an inexhaustible resource
c)
a nonrenewable resource
d)
a non-usable resource
35.
Fossil fuels are nonrenewable because...
a)
they are used to produce heat
b)
they take a long time to form
c)
they can be found underground
36.
Which group includes ALL renewable resources?
a)
Coal, trees, water, oil
b)
Water, wind, sun, plants
c)
Minerals, sun, natural gas, water
37.
A Fossil Fuel is
a)
Materials that are found on Earth that people use
b)
Rock that contains metal 
c)
Fuels that formed years ago from the remains of things that lived millions of years ago.
d)
Resources that cannot be replaced quickly enough to keep from running out. 
38.

Oil takes ​ (a)   to make.

Choose from the below words
hundreds of millions of years
40 years
a few years
1 million years
39.

Match the following.

a)

Renewable Resource

1.

Hydropower

b)

Nonrenewable Resource

2.

Oil

c)

Renewable Resource 2

3.

Sun

d)

Nonrenewable Resources 2

4.

Natural Gas

40.

Wind is...

a)

natural and nonrenewable

b)

natural and renewable

c)

artificial and nonrenewable

d)

artificial and renewable

41.

Which of the following BEST illustrates the direction of energy flow through the food web above?

a)

A. spider to grasshopper to grass

b)

B. garter snake to hawk to hognose snake

c)

C. grass to rabbit to hawk

d)

D. mouse to spider to toad

42.
A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?
a)
Hawk
b)
Rabbit
c)
Grasshopper
d)
Mouse
43.
What is a decomposer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
44.
The ___% rule states that only ____% of energy is transferred to the next trophic level.
a)
10%
b)
25%
c)
50%
d)
100%
45.
Fungi: Producer, consumer or decomposer?
a)
Producer
b)
Consumer
c)
Decomposer
46.
Grass: Producer, consumer or decomposer?
a)
Producer
b)
Consumer
c)
Decomposer
47.
Panda: Producer, consumer or decomposer?
a)
Producer
b)
Consumer
c)
Decomposer
48.
Horses eat grass, so they are a ______.
a)
Herbivore
b)
Carnivore
c)
Omnivore
49.
Raccoons eat meat AND plants. They are ____.
a)
Carnivores
b)
Herbivores
c)
Omnivores
50.

Which group is not represented in the food web?

a)

producers

b)

primary consumers

c)

secondary consumers

d)

decomposers

51.

What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

a)

Energy is continuously recycled by the organisms in an ecosystem.

b)

Energy flows in one direction in an ecosystem, from producers to consumers.

c)

More of the available energy in an ecosystem is given to large animals than to small animals.

d)

Organisms at the end of the food chain receive more energy than those at the beginning.

52.

In this energy pyramid, which organism would most likely be in level 2?

a)

bird

b)

fox

c)

caterpillar

d)

tree

53.

How would the removal of earthworms from the food chain affect the other organisms?

a)

The number of bass will increase.

b)

The number of crayfish will decrease.

c)

The crayfish will get their energy directly from the sun.

d)

The number of bass and ospreys (bird) will increase.

54.

The picture provided shows an ocean bay food chain. Sea otters move into the ocean bay. They eat all of the sea urchins. This change will cause the

a)

kelp to have less food.

b)

crabs to have more food.

c)

sea ducks to have less food.

d)

arctic foxes to have more food.

55.

Which of these organisms would most likely be found at the top of an energy pyramid?

a)

clams

b)

sardines

c)

sharks

d)

kelp (seaweed)

56.
One path that energy could take through an ecosystem is called a ________________________.
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Biotic Factors
57.
The relationship between ALL the organisms in a community showing who eats whom is called a ___________________________.
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
d)
Biotic Factors
58.
An animal that only eats other animals is a _______________.
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
59.
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
a)
The rabbit population may increase
b)
The rabbit population may decrease
c)
The rabbit population may increase first, then decrease
d)
The rabbit population will remain the same
60.
A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
a)
Mouse and cat populations both go up?
b)
Mouse and cat populations both go down
c)
Mouse population goes down as cat population goes up
d)
Mouse population goes up as cat population goes down
61.
In the food web shown, the snail would be considered...
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
62.
Which best describes what a food chain shows you?
a)
Energy flowing through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers eating other organisms
63.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
64.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
65.
Identify the correct food chain that demonstrates the energy flow of this food web
a)
Plant > Caterpillar > Bluebird > Eagle
b)
Plant > Lizard > Snail
c)
Plant >Lizard > Snail >Eagle
d)
Eagle >Lizard>Caterpillar>Plant
66.
Food of almost any kind can be traced back to what?
a)
the sun
b)
animals
c)
plants
d)
soil
67.
Which of these is an example of a producer?
a)
snake
b)
worm
c)
human
d)
grass
68.
When a millipede breaks down dead and decaying material, it is acting as what?
a)
a decomposer
b)
an apex predator
c)
a producer
d)
prey
69.
Which of these does most of the decomposing on Earth?
a)
bacteria and fungi
b)
millipedes
c)
worms
d)
roaches
70.

Put this food chain in the correct order

a)

Grass

b)

Rabbit

c)

Snake

d)

Hawk

1)
2)
3)
4)
71.

Put this food chain in the correct order

a)

Grass

b)

Grasshopper

c)

Shrew

d)

Snake

e)

Mountain Lion

1)
2)
3)
4)
5)
72.

Who makes their own food?

a)

The Sun

b)

Producers

c)

Consumers

d)

Decomposers

73.

Reorder the following from sun to tertiary consumer

a)
b)
c)
d)
e)
1)
2)
3)
4)
5)
74.

What kind of organisms are usually primary consumers?

a)

plants

b)

herbivores

c)

carnivores

75.

What kind of organisms are usually at the top of the food chain?

a)

producers

b)

herbivores

c)

omnivores

d)

carnivores

76.

Fungi: Producer, consumer or decomposer?

a)

Producer

b)

Consumer

c)

Decomposer

77.
An animal that eats only plants is a ______________________.
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
78.

What organism does the squirrel get its energy from in this food chain? (click on the picture to make it bigger)

a)

Red fox

b)

The sun

c)

Acorns

79.
Which one are you?
a)
Producer
b)
Consumer
c)
Decomposer
80.

Which of the following organisms is a primary consumer?

a)

grass

b)

rabbit

c)

fox

d)

snake

81.

Which of the following organisms is a producer?

a)

grass

b)

rabbit

c)

fox

d)

snake

82.

Which of the following organisms uses photosynthesis to get the energy it needs to survive?

a)

grass

b)

rabbit

c)

fox

d)

snake

83.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

84.
a)

This is a food chain

b)

This is a food web

c)

This is an energy pyramid

85.

Level 1 on the pyramid

a)

Producers

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

86.

Level 2 on the pyramid

a)

Producers

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

87.

Level 3 on the pyramid

a)

Producers

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

88.

Level 4 on the pyramid

a)

Producers

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

89.

A scale model of the planet Mercury is shown. Based on the scale, which of the following is the most accurate diameter of Mercury?

a)

1,000 km

b)

5,000 km

c)

50,000 km

d)

500,000 km

90.

Whittemore Park Middle School is 30 feet tall. A 5 inch tall scale model of the school was made by the art club. What is the scale of the model?

a)

one inch = 6 feet

b)

one inch = 6 inches

c)

one inch = 72 inches

91.

The Waccamaw Bridge is 60 yards long. The length of a model of the bridge is 15 inches long. What is the scale of the model?

a)

one inch = .25 yards

b)

one inch = 4 yards

c)

one inch = 144 inches

92.

The actual length of a car is 14.5 ft. A model of the car is 7.25 inches long. What is the scale?

a)

one inch = 24 inches

b)

one inch = 2 ft

c)

one inch = 0.5 ft

93.

In a drawing, the scale used is: 1in.= 7ft. If the actual width of the backyard is 49 ft, how wide is it in the drawing?

a)

14 in

b)

7 in

c)

42 in

d)

56 in

94.

Jonathan drew a scale drawing of a house. The scale of the drawing was 1 millimeter : 2 meters. If the actual width of the garage is 8 meters, how wide is the garage in the drawing?

a)

4 mm

b)

16 mm

95.
A flagpole is 1 in.= 4 ft. If the pole measures 12 inches, how tall is the actual pole?
a)
16 feet
b)
3 feet
c)
48 feet
d)
9 feet
96.
A blueprint was using a scale of 3cm=4.5m. Find the actual length if it is 5cm on the drawing.
a)
7.5
b)
13.5
c)
1.5
d)
1.7
97.
Scale is 1cm = 8km. Hatboro and Smithville are 24cm apart on the map, how far apart are they?
a)
87 km
b)
216 km 
c)
33 km
d)
192 km
98.

The windows in the drawing are 1¾ cm apart, how many meters apart are the actual windows if the scale is 2 cm=10 m?

a)

8¾ m

b)

7½ m

c)

5 m

d)

2¼ m

99.
The scale of a mug in a picture is ½ in.=3 cm. Find the actual length of the 4 in. coffee mug.
a)
24 cm
b)
6 cm
c)
30 cm
d)
13 cm
100.
A scale drawing of a house shows 9cm ×10cm. If 6cm=12 ft, what are the actual dimensions?
a)
9ft x 10ft
b)
1ft x 2ft
c)
12ft x 6ft
d)
18ft x 20ft
101.
If the actual dimensions of the kitchen are 24 ft. by 24 ft., what is the scale of the drawing?
a)
1cm : 9ft
b)
1cm : 8ft
c)
4cm : 1ft
d)
1cm : 4ft
102.
The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?
a)
12 feet
b)
16 feet 
c)
10 feet
d)
4 feet
103.
From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find the actual distance.
a)
300 miles
b)
1000 miles
c)
900 miles
d)
600 miles
104.

Refer to the diagram showing a lake, pond, river, and ocean. In which location would the MOST evaporation take place?

a)

lake

b)

pond

c)

river

d)

ocean

105.

Which of the following bodies of water would experience the LEAST evaporation?

a)

lake

b)

pond

c)

ocean

d)

river

106.

What is the main reason why the ocean has more evaporation than a pond?

a)

It has more fish

b)

It covers a larger area

c)

It is deeper

d)

It is saltier

107.

If the temperature increases, which water body will show the greatest increase in evaporation?

a)

ocean

b)

river

c)

pond

d)

lake

108.

Which ARROW represents EVAPORATION?

A
B
C
D
109.

In the diagram, which point represents evaporation?

A
B
C
D
110.

Which of the following describes evaporation? (a)  

Choose from the below words
Water turns into vapor and rises in the air.
Water in clouds falls down to Earth's surface.
Surface runoff is absorbed into the ground.
Water in the air cools down and forms droplets
111.

click on condensation

A
B
C
D
112.

At what point does the Sun heat water causing evaporation?

A
B
C
D
113.

Water vapor rises and condenses to form clouds.

A
B
C
D
114.

In the diagram, which point represents condensation?

A
B
C
D
115.

The diagram below shows the process of evaporation over the ocean. The most likely effect of this process on the land areas nearby is (a)   .

Choose from the below words
A. Increased drought conditions
B. Decreased erosion of the shoreli
C. Increased precipitation
D. Decreased solar energy
116.

In the morning, you observe that water droplets have formed on grass. Which process occurred when the water droplets formed on the grass?

a)

condensation

b)

deposition

c)

evaporation

d)

sublimation

117.

The process in which water vapor is released into the atmosphere through plants.

a)

evaporation

b)

transpiration

c)

condensation

d)

precipitation

118.

Any form of water that falls from clouds and reaches Earth’s surface because of gravity.

a)

accumulation

b)

precipitation

c)

condensation

d)

surface runoff

119.

In order for evaporation to occur, liquid water must change state into a ___________.

a)

gas

b)

solid

c)

plasma

120.

What step of the water cycle is happening in arrow D?

a)

Condensation

b)

Evaopration

c)

Run off

121.

What part of the water cycle does this picture show?

a)

condensation

b)

precipitation

c)

evaporation

122.

What part of the water cycle does this picture show?

a)

condensation

b)

precipitation

c)

evaporation

123.

How much of our planet is estimated to be covered with water?

a)

10%

b)

25%

c)

50%

d)

75%

124.

What do you call the changes of water when it evaporates into the air, condenses into clouds, and then precipitates down to Earth?

a)

run-off

b)

the water cycle

c)

evaporation

d)

precipitation

125.

What is rainfall that is not absorbed by soil and travels to the ocean?

a)

run-off

b)

transpiration

c)

precipitation

d)

evaporation

126.

What changes water from one state to another?

a)

clouds

b)

the ocean

c)

a change in temperature

d)

none of the above

127.

The greatest amount of water found on Earth is fresh water. True or False?

a)

True

b)

False

128.

When is the best time for water to evaporate?

a)

cold and snowy

b)

wet and raining

c)

hot and dry

d)

all the time

129.

What process is happening in number 6?

a)

transpiration

b)

evaporation

c)

condensation

d)

accumulation

130.

What is number 3 in the diagram?

a)

evaporation

b)

precipitation

c)

surface runoff

d)

condensation

131.
Water that is beneath earth's surface 
a)
groundwater 
b)
infiltration
c)
runoff
d)
transpiration 
132.

A cold, closed bottle of water is left in the sun. Water forms on the outside of the bottle. This is an example of

a)

evaporation

b)

precipitation

c)

water vapor

d)

condensation

133.
Which represents the distribution of water on Earth?
a)
3% freshwater, 97% salt water
b)
97% freshwater, 3% salt water
c)
71% freshwater, 29% salt water
d)
29% freshwater, 71% salt water
134.
Where is most of the freshwater found on Earth?
a)
lakes
b)
glaciers
c)
oceans
d)
rivers
135.
Most of the Earth's water is in
a)
salty oceans
b)
freshwater lakes
c)
freshwater ponds
d)
glaciers
136.

Water underground is stored in ____________.

a)

aquifers

b)

reservoirs

c)

wells

d)

depositories

137.

Approximately _____ percent of Earth's water is freshwater.

a)

97

b)

1

c)

3

d)

10

138.

Approximately what percent of Earth's water is salt water?

a)

3

b)

70

c)

79

d)

97

139.

The graphic shows that only 3% of the Earth's water is fresh water. The graphic also shows that of this 3%, almost all of it is contained in two reservoirs. What are the two reservoirs that contain almost all of Earth's fresh water?

a)

glaciers and groundwater

b)

streams and estuaries

c)

marshes and swamps

d)

lakes and rivers

140.

The diagram shows the distribution of water on the Earth. Based on the diagram, which is true?

a)

Most of Earth's water is fresh water.

b)

Most of Earth's fresh water is contained in glaciers and ground water.

c)

Most of Earth's water is contained in glaciers.

d)

Most of Earth's fresh water is contained in the oceans.

141.

On earth's surface water can be found in lakes, rivers, glaciers, underground, and in plants and animals. It also can be found, and stored , as snow on mountain tops. Heat energy from the Sun eventually melts the snow. Then gravity pulls water down mountains in rivers and through groundwater. Snow usually melts in the spring and summer.

a)

Infiltration

b)

Condensation

c)

Precipitation

d)

Evaporation

142.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
143.
What is water that flows in rivers and streams into the oceans and lakes?
a)
evaporating
b)
condensing
c)
precipitating
d)
runoff
144.

A small bowl contains a mixture of toothpicks and glass marbles. The easiest way to separate the mixture without touching it would be to-

a)

add glue to the mixture

b)

place a magnet in the bowl

c)

pour the mixture into a paper cone

d)

add water to the bowl

145.

A mixture of sand and iron filings is given. Which method would best separate the two substances?

a)

Add water to dissolve the sand

b)

Stir the mixture with a spoon

c)

Use a magnet to attract the iron filings

d)

Heat the mixture until it melts

146.

Which of the following is the best way to separate a mixture of salt and water?

a)

Filter the mixture

b)

Use a magnet

c)

Add more salt

d)

Evaporate the water

147.

If you have a mixture of pebbles and sawdust, which method would help you separate them most easily?

a)

Pour water into the mixture and skim off the floating sawdust

b)

Use a magnet to attract the pebbles

c)

Heat the mixture until the sawdust burns

d)

Add glue to stick the pebbles together

148.

Which of the following is a method of separating solutions?

a)

hand seperation

b)

filtering

c)

screening

d)

evaporation

149.

A student stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. The student then tries to separate the water from each mixture by pouring the mixture through a kitchen tea strainer.


Which mixture can the student separate most easily with the strainer?

a)

Salt and water

b)

Gravel and water

c)

Shampoo and water

d)

Sugar and water

150.

Which answer best describes the easiest way to separate a mixture of iron filings and dirt?

a)

Pick the iron filings out by hand

b)

Put the mixture in water

c)

Use a magnet

d)

Boil the mixture

151.

Sand and gravel may be separated from each other by using _______

a)

filter paper and a funnel

b)
a sieve
c)

evaporation

d)

distillation

152.

What mixture could you use this tool to best separate that mixture?

a)

Sugar and Salt

b)

Sand and rocks

c)

Apples and grapes

153.

James wants to separate the salt from the water in his glass of salt water. What separation method should James use?

a)

Magnets

b)

Evaporation

c)

Filter

d)

Using his hands

154.

The best way to separate trail mix would be:

a)

filter

b)

by hand

c)

sieve

d)

evaporation

155.

This type of paper has VERY small pores that allows liquid to pass through it. What is it?

a)

sieve

b)

filter paper

c)

construction paper

156.

If I pour sand and water onto a filter, what will happen?

a)

water and sand will go through the filter

b)

sand will get caught in the filter, water will pass through

c)

both sand and water will get caught in the filter

157.

What does this picture illustrate?

a)

Elements

b)

Compunds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

158.

What does this picture illustrate?

a)

an element

b)

Mixture of Compunds

c)

Mixture of elemets

d)

a compound

159.

These contain only one kind of atom:

a)
element 
b)
compound 
c)
mixture 
d)
water 
160.

Tweezers are a tool you can use to separate a mixture of ​ (a)  

Choose from the below words
sand and water
M&M's and raisins
iron filings and sugar
161.

A sieve is used to separate mixtures like ​ (a)  

Choose from the below words
salt and water
iron and silver
sand and rocks
162.

In filtration, what name is used to describe the solid left in the filter paper?

a)

Filtrate

b)

Residue

c)

Distillate

163.

Filtration is

a)

using magnetism to separate metals from non-metals.

b)

a process that separates a solid from a liquid based on the size of their particles.

c)

a process of separating mixtures by boiling.

164.

A solute is

a)

a mixture that forms when one substance dissolves another

b)

a liquid substance capable of dissolving other substances

c)

incapable of being dissolved

d)

a substance that is dissolved

165.

A solvent is

a)

able to be dissolved

b)

a mixture that forms when one substance dissolves another

c)

a liquid substance capable of dissolving other substances

d)

a substance that is dissolved

166.

What key term is used to describe when a solute does not dissolve in water?

a)

Soluble

b)

Solute

c)

Insoluble

d)

Solution

167.
Combination of two or more pure substances that are not chemically combined
a)
compound          
b)
atom
c)
mixture 
d)
element
168.

Separating sugar and water (do not need to keep the water)

a)

evaporation

b)

sieve

c)

magnetism

d)

filter

169.

Separating large rocks from sand

a)

Filter

b)

Sieve

c)

Evaporation

d)

Magnetism

170.

Separate metal paperclips from eraser bits

a)

Magnetism

b)

Filter

c)

Sieve

d)

Evaporation

171.

Separating water and pasta

a)

Filter

b)

Evaporation

c)

Sieve

d)

Magnetism

172.

Separating tea leaves from a cup of tea

a)

Evaporation

b)

Magnetism

c)

Sieve

d)

Filter

173.

Separating sand from iron filings

a)

evaporation

b)

sieve

c)

magnetism

d)

filter

174.

Creating a mixture results in _____________ only.

a)

Two parts

b)

Chemical changes

c)

Physical changes

d)

Chemical reactions

175.

The ________ of the materials in a mixture can be used to separate the mixture.

a)

taste

b)

physical properties

c)

color

d)

appearance

176.

How can density help you separate a mixture?

a)

Part of the mixture will change color

b)

Part of the mixture will dissolve

c)

Part of the mixture will sink or float

d)

Part of the mixture will evaporate

177.

This is an example of a

a)

Solution

b)

Mixture

178.

This is an example of a

a)

Solution

b)

Mixture

179.

Sugar dissolved in water is an example of a

a)

Solution

b)

Mixture

180.

What do you call mixtures where you can clearly see the separate parts?

a)

heterogenous mixtures

b)

homogeneous mixtures

c)

solutions

d)

colloids

181.

Which mixture can easily be separated by Hand/Tweezers

a)

b)

c)

d)

182.

A _________ is a special kind of mixture where one substance is dissolved in another. What is it?

a)

solution

b)

mixture

c)

balance

d)

beaker

183.

Emma and Aria need to separate iron filings from sand. What tool should they use?

a)

use a magnet to pick up the iron filings

b)

use a magnet to pick up the sand

c)

use a coffee filter

d)

use a screen

184.

You combine two or more substances, but they don't transform into something new. Instead, they keep their original physical properties. What is this magical combination called?

a)

substance

b)

ingredient

c)

chemical reaction

d)

mixture

185.

What do you call it when 2 or more substances are combined to create a brand new substance?

a)

substance

b)

solution

c)

chemical reaction

d)

mixture

186.

James and Ava are on a treasure hunt and discover an ancient copper statue that has turned green over time. What kind of change has occurred to the statue?

a)

physical change

b)

chemical change

187.

Sophia and James are working on a fun art project. They decide to cut a big piece of cardboard into smaller pieces to create a masterpiece. What kind of change is happening to the cardboard?

a)

physical change

b)

chemical change

188.

During a fun science experiment, Aiden and Elijah mixed some ingredients in a jar. After a while, they noticed the mixture separated into layers. What type of mixture did they create?

a)

solution

b)

solute

c)

suspension

d)

solvent

189.

In a sugar water mix, what is the solvent that makes everything dissolve?

a)

water

b)

sugar

190.

For a solution to form, a _____________ must dissolve in a solvent.

a)

solvent

b)

substance

c)

suspension

d)

solute

191.

Which tool would be best for separating sand from water?

a)

b)

c)

d)

192.

Which tool would be best to separate raisins from cereal?

a)

b)

c)

d)

193.

Jackson is on a mission to rescue the salt from his glass of salt water. Which magical method should he use to separate them?

a)

Magnets

b)

Evaporation

c)

Filter

d)

Using his hands

194.

Abigail and Lily are having a picnic and they made a fruit salad. Is this delicious creation a 

a)

solution

b)

solid mixture

c)

suspension

195.
Type of mixture that has the SAME COMPOSITION in every part.
a)
Homogenous
b)
Heterogeneous
196.
Type of mixture that DOESN'T HAVE the same composition in every part.
a)
Homogeneous
b)
Heterogeneous
197.

If you had a mixture of rocks and sand and needed to separate them what method would work best?

a)

b)

c)

d)

198.

You have a glass of salt and water, what is the best method to separate the salt out of the water?

a)

b)

c)

d)

199.

Which of these BEST describes the change in salt grains as they dissolve in water?

a)

The grains change their chemicals until they become water.

b)

The grains get smaller in size until they can no longer be seen.

c)

The grains get higher in temperature until they melt into a liquid.

d)

The grains are washed clean until they are perfectly clear.

200.

What happens to the salt particles after salt dissolves in water?

a)

They sink to the bottom of the container.

b)

They turn into small crystals at the surface.

c)

They spread evenly throughout the water and cannot be seen.

d)

They float to the top of the water.

201.

Which statement BEST explains why salt seems to disappear when mixed with water?

a)

The salt is filtered out by the water.

b)

The salt changes into a gas and leaves the water.

c)

The salt forms a new solid at the bottom.

d)

The salt is broken into tiny pieces that are too small to see.

202.

When salt dissolves in water, what type of change occurs?

a)

A change in color, because the water turns blue.

b)

A chemical change, because new substances are formed.

c)

A change in temperature, because the water gets very hot.

d)

A physical change, because the salt can be recovered by evaporating the water.

203.

Match the following

a)

solute

1.

the substance being dissolved

b)

solvent

2.

the substance doing the dissolving

c)

solution

3.

homogeneous mixture

d)

solubility

4.

the ability of a substance to dissolve

e)

solvation

5.

the process of dissolving

204.

A solution occurs when the​ (a)   is (b)   in a​​ (c)   .

Choose from the below words
solute
dissolved
solvent
solution
salt
filtered
205.

Solid or liquid that is being dissolved? (a)  

Choose from the below words
solute
solvent
solution
solubility
206.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
207.

If a solute dissolves in water than it is_____.

a)

soluble

b)

insoluble

c)

solute

d)

solvent

208.

What is able to dissolve other substances?

a)

Solute

b)

Solution

c)

Salt

d)

Solvent

209.
What does it mean if a mixture is heterogeneous?
a)

you can see the different parts

b)

cannot tell one part from another

c)

very well blended

d)

made of elements

210.
What does it mean if a mixture is homogeneous?
a)

you can see the different parts

b)

cannot tell one part from another

c)

chunks of particles

d)

made of elements

211.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
212.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
213.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
214.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
215.
To separate the sugar and lemonade what method should you use?
a)

filtration 

b)

sorting

c)

magnet

d)

boiling

216.

Which factor differentiates the climate of an area from its weather?

a)

the length of time over which observations are made

b)

the type of vegetation that grows in an area

c)

the distance over which observations are made

d)

the temperature of an area over the summer months

217.

What is the main difference between weather and climate?

a)

Weather refers to short-term atmospheric conditions, while climate is the average over a long period.

b)

Climate changes daily, but weather remains constant.

c)

Weather is only about temperature, while climate is about rainfall.

d)

Climate is measured in hours, weather in years.

218.

Which of the following best describes climate?

a)

The temperature on a single day

b)

The amount of rainfall in one week

c)

The wind speed during a storm

d)

The average weather conditions in a region over many years

219.

Why is it important to observe weather patterns over a long period to determine climate?

a)

Because climate is defined by long-term trends, not short-term changes

b)

Because weather and climate are the same

c)

Because weather never changes

d)

Because climate only affects one day at a time

220.

"Usually, it rains a lot in May." Is that statement an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

221.

Is this map of global rainfall averages is an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

222.

"Current road conditions are experiencing heavy fog." Is that statement an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

223.

What is the definition of climate?

a)

The condition of the atmosphere at a particular time and place

b)

Rain, snow, fog, and lightening

c)

Mountains and lakes

d)

The accumulation of daily weather and seasonal conditions for a particular region for a long period of time

224.

"The hurricane will hit on Thursday morning." Is that statement an example of weather or climate and why?

a)

Climate because it is in a local area during a short time

b)

Weather because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

225.

"The high today will be 64 degrees Fahrenheit and the low will be 48." Is that statement an example of weather or climate and why?

a)

Climate because it is in a local area during a short time

b)

Weather because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

226.

What is the definition of weather?

a)

How hot or cold it is outside

b)

Rain, snow, fog, and lightening

c)

The condition of the atmosphere at a particular time and place

d)

Mountains and flowers

227.

Which of the following is an example of weather?

a)

How many days of lightening we get per year

b)

Average amount of snow in the month of December

c)

Amount of snow today

d)

How many days are usually foggy in winter

228.

"It is sunny outside right now." Is that statement an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

229.

"There is 75% humidity this morning." Is that statement an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

230.

"Rainfall is typically less than one inch in this region." Is that statement an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

231.

"Next week, rain is in the forecast." Is that statement an example of weather or climate and why?

a)

Weather because it is in a local area during a short time

b)

Climate because it is in a local area during a short time

c)

Climate because it is in a larger area over a longer period of time

d)

Weather because it is in a larger area over a longer period of time

232.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
233.

Water in its gas form is called ____________________,

a)

water vapor

b)

precipitation

c)

ice

d)

air

234.
An instrument used to measure air pressure.
a)
Anemometer
b)
Barometer
c)
Psychrometer
d)
Wind Vane
235.
An instrument used to measure wind speed.
a)
Anemometer
b)
Barometer
c)
Psychrometer
d)
Wind Vane
236.
This leads to clear skies and sunny days.
a)
Cold Front
b)
Warm Front
c)
High Pressure System
d)
Low Pressure System
237.
The amount of water vapor in the air, compared to how much water vapor the air can actually hold.
a)
Convection
b)
Jet Stream
c)
Relative Humidity
d)
Wind
238.
Leads to cloudy skies, and possible rain/snow
a)
Cold Front
b)
Warm Front
c)
High Pressure System
d)
Low Pressure System
239.

Scientists gather different data about weather and climate. Which of the following is a description of weather data?

a)

The average daytime high in the Amazon is 25ºC.

b)

It rained two inches in San Antonio, Texas on April 3rd.

c)

The Gobi desert gets very little rainfall.

d)

Temperatures in the Arctic are usually below freezing.

240.

Which of the following statements best describes climate data?

a)

It snowed in Denver last weekend.

b)

The Sahara Desert receives less than 10 inches of rain per year.

c)

There was a thunderstorm in Miami yesterday.

d)

It was windy in Chicago on Monday.

241.

Which example below is a record of weather data?

a)

On July 10th, the temperature in Phoenix reached 42ºC.

b)

Winters in Moscow are typically cold and snowy.

c)

The average annual rainfall in Seattle is 37 inches.

d)

The Amazon rainforest has a humid climate.

242.

Which of the following is NOT an example of climate data?

a)

It was sunny in Los Angeles last Friday.

b)

Monsoons bring heavy rain to India every summer.

c)

The average temperature in Paris during January is 5ºC.

d)

The Atacama Desert is one of the driest places on Earth.

243.

Which object would require the least amount of force to move a distance of 5 meters?

a)

leaf

b)

eraser

c)

stone

d)

block of clay

244.

Which of the following objects would be the easiest to push across a smooth surface?

a)

metal can

b)

book

c)

feather

d)

brick

245.

If you want to move an object with the least effort, which should you choose?

a)

wooden block

b)

plastic bottle

c)

glass marble

d)

paper sheet

246.

Which item would need the smallest force to slide 5 meters on a table?

a)

shoe

b)

coin

c)

notebook

d)

apple

247.

The force that results when two materials rub against each other or when their contact prevents sliding is ​ (a)  

Choose from the below words
friction
force
contact force
non-contact force
gravity
inertia
acceleration
248.

An example of friction is ​ (a)   and ​ ​ ​ (b)  

Choose from the below words
person lifting a box
rubbing hands together
touching hands
sliding a book across a table
249.

Based on the friction force of each scenario, match the surface with the photo.

a)

Air Hockey Table (smooth)

b)

Rug (medium roughness)

c)

Rubber Turf (high roughness)

1
2
3
1)
2)
3)
250.

​ (a)   is the force created when two surfaces rub against each other.

Choose from the below words
Friction
Motion
Balance
251.

​ (a)   is a force that always resists the relative motion of objects or

surfaces.

Choose from the below words
Friction
Static friction
Sliding friction
252.

A ​ ​ (a)   is a push or pull. ​ (b)   is an example. It slows objects down so they don't keep moving forever.

Choose from the below words
force
friction
gravity
velocity
acceleration
253.

  •  

    The force that pulls a falling object toward the Earth is called...

a)

Frictional force

b)

Inertia

c)

Gravitational force

d)

Tension force

254.

A book sits on a surface instead of falling through it due to ____ _____ acting on the book.

a)

Gravitational force

b)

Frictional force

c)

Normal force

d)

Frictional force

255.

What is F? representing?

a)

Normal

b)

Gravity

c)

Friction

d)

Tension

256.

The baseball bat applies what kind of force to the baseball when it is hit?

a)

Frictional force

b)

Gravitational force

c)

Normal force

d)

Applied force

257.

What force is trying to slow the bungee jumper down in the air?

a)

Frictional

b)

Gravitational

c)

Normal force

d)

Air resistance

258.

What force is responsible for slowing the car down?

a)

Gravitational force

b)

Normal force

c)

Frictional force

d)

Applied force

259.

Are the forces balanced or unbalanced?

a)

Balanced

b)

Unbalanced

260.

A Newton is a unit of ______.

a)

Acceleration

b)

Inertia

c)

Force

d)

Velocity

261.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Friction Force

d)

Applied Force

262.

Name the missing force.

a)

Gravitational Force

b)

Normal Force

c)

Tension Force

d)

Friction Force

263.

Which of the following is true about this free-body diagram?

a)

the forces are balanced

b)

the object is moving upward

c)

the object is free-falling

d)

the forces are unbalanced

264.

If the man pushes with an equal amount of force, which object will accelerate more?

a)

Car because it has more mass

b)

Lawnmower because it has less mass

c)

Car because it has less mass

d)

Lawnmower because it has more mass

265.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
266.
Why would one ball travel a greater distance than the other when pushed with the same amount of force?
a)
Different sizes
b)
Different weights
c)
Different masses
d)
Different forces
267.

What is the Net Force and the direction of the object's movement as a result of the net force?

a)

5N, Right

b)

5N, Left

c)

9N, Right

d)

9N, Left

268.

What is the Net Force and the direction of the object's movement as a result of the net force?

a)

3N, Right

b)

3N, Left

c)

6N, Left

d)

6N, Right

269.

What is the Net Force and the direction of the object's movement as a result of the net force?

a)

11N, Right

b)

11N, Left

c)

1N, Left

d)

1N, Right

270.
What is the net force for this situation?
a)
17 N Right
b)
17 N Left
c)
3 N Right
d)
3 N Left
271.

Which has the MOST inertia?

a)
b)
c)
d)
272.

Which one has the LEAST inertia?

a)
b)
c)
d)
273.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
274.

What is Newton's 2nd Law?

a)

Every action has an equal and opposite reaction

b)

An object at rest stays at rest, an object in motion stays in motion.

c)

F = ma

d)

Friction

275.

The table below shows the chemical symbols for some common elements. | Element | Symbol | |-----------|--------| | Hydrogen | H | | Helium | He | | Oxygen | O | | Silicon | Si | | Carbon | C | | Iron | Fe | Based on the information in the table, which of the four substances below is a compound?

a)

CO

b)

He

c)

Si

d)

Fe

276.

Refer to the table below showing chemical symbols for some elements.

| Element | Symbol |
|-----------|--------|
| Hydrogen | H |
| Helium | He |
| Oxygen | O |
| Silicon | Si |
| Carbon | C |
| Iron | Fe |

Which of the following is made up of two different elements?

a)

O2

b)

CO

c)

Fe

d)

He

277.

Using the table of chemical symbols below, which option represents a pure element?

| Element | Symbol |
|-----------|--------|
| Hydrogen | H |
| Helium | He |
| Oxygen | O |
| Silicon | Si |
| Carbon | C |
| Iron | Fe |

a)

CO

b)

Si

c)

CO2

d)

H2O

278.

Based on the chemical symbols in the table below, which of the following substances is NOT a compound?

| Element | Symbol |
|-----------|--------|
| Hydrogen | H |
| Helium | He |
| Oxygen | O |
| Silicon | Si |
| Carbon | C |
| Iron | Fe |

a)

SiO2

b)

H2O

c)

CO

d)

Fe

279.

How many elements are in the compound sulfuric acid, H2SO4?

280.

Mg(OH)2 is a compound. How many different elements are found in this compound?

281.

How many total atoms are in the compound sulfuric acid, H2SO4?

282.

How many elements are included in the compound NaOH(s)?

a)

1

b)

2

c)

3

d)

4

283.

Which is the best description of an element?

a)

A substance that cannot be broken down into simpler substances

b)

A collection of atoms that have different abilities when joined together

c)

A man-made mineral

d)

A mixture of substances

284.

Which one is a compound?

a)

Ni

b)

F

c)

Re

d)

NaCl

285.

How many different elements are in the compound?

a)

12

b)

3

c)

24

d)

6

286.

The place where known elements are represented...

a)

The Periodic Table

b)

Compounds

c)

Chemical Formula

d)

Graph

287.

One way to tell how many elements a compound has is to...

a)

multiply the number

b)

count the capital letters

c)

add up all the numbers

d)

count the letters

288.

A substance that consists of 2 or more different elements is a...

a)

element

b)

data table

c)

symbol

d)

compound

289.

Which of the following represents an element?

a)

H2O

b)

H2

c)

NaCl

d)

CaCO3

290.

What is made up of two or more elements that are chemically combined?

a)

Element

b)

Mixture

c)

Compound

d)

Solids

291.

How many elements are represented in the compound?

Na2CO3

a)

1

b)

2

c)

3

d)

4

292.

How many elements are represented in the compound?

Na2CO2H2C

a)

5

b)

2

c)

3

d)

4

293.

Which of the following is not a compound?

a)

HCl

b)

Cl

c)

NaCl

d)

CO2

294.

Which answer choice cannot be broken down into other substances?

a)

Compound

b)

Mixture

c)

Solids

d)

Element

295.

Which answer choice is made up of two or more elements that are chemically combined?

a)

Element

b)

Mixture

c)

Compound

d)

Solids

296.

How many Elements are in this compound?

CuSO4

a)

3

b)

1

c)

4

d)

5

297.

Which element does the chemical symbol AI stand for?

a)

Gold

b)

Actinium

c)

Iron

d)

Aluminum

298.

When finding a place to rest, which animal changes its environment the most?

a)

Prairie Dog

b)

Lizard

c)

Cheetah

d)

Toad

299.

Which animal is most likely to dig tunnels to create a safe resting place?

a)

Prairie Dog

b)

Toad

c)

Lizard

d)

Cheetah

300.

Which of these animals modifies its surroundings to build a home underground?

a)

Cheetah

b)

Prairie Dog

c)

Lizard

d)

Toad

301.

Which animal is known for creating complex burrow systems for shelter?

a)

Cheetah

b)

Lizard

c)

Toad

d)

Prairie Dog

302.

What is an environment which provides the items an organism needs to live, grow, and reproduce? (a)  

Choose from the below words
Population
Community
Habitat
Ecosystem
303.

Ducks living in or near a pond. This is the ducks (a)   .

Choose from the below words
habitat
niche
304.

What is a "habitat"?

a)

A type of food

b)

A place where an organism lives

c)

A method of hunting

d)

A type of weather

305.

An animal that is hunted and killed by another for food is...

a)

prey

b)

predator

c)

habitat

d)

survival

306.

What does "translucent" mean?

a)

Changing to fit new conditions

b)

Allowing light to pass through

c)

Living things

d)

To disguise in order to hide

307.

Which term means "changing to fit new conditions"?

a)

Camouflage

b)

Translucent

c)

Adapt

d)

Organisms

308.

Which word describes "to disguise in order to hide"?

a)

Relationship

b)

Camouflage

c)

Translucent

d)

Adapt

309.

Which word means "living things"?

a)

Camouflage

b)

Organisms

c)

Translucent

d)

Relationship

310.

An animal that is hunted and killed by another for food is...

a)

prey

b)

predator

c)

habitat

d)

survival

311.

What will MOST LIKELY be the consequences to the Sunfish and Shiner if greater numbers of homes are built along the shore of deep lakes?

a)

They will lose their spawning habitat.

b)

They will become faster swimmers.

c)

They will start spawning in deep water.

d)

They will be easier to catch by fisherman.

312.

How might increased shoreline development affect the nesting sites of Sunfish and Shiner?

a)

It could improve water quality.

b)

It could make the water deeper.

c)

It could increase the number of predators.

d)

It could reduce the availability of suitable nesting areas.

313.

What is a possible impact on Sunfish and Shiner populations if vegetation along lake shores is removed for new housing?

a)

They may have fewer places to lay eggs.

b)

They may grow larger in size.

c)

They may migrate to saltwater habitats.

d)

They may become nocturnal.

314.

Andy reads about the physical adaptations of an animal that help it survive in its environment. The animal has stocky legs and very large feet. The pads on its feet are covered with small bumps to increase friction. It is also insulated with up to 10 cm of blubber, hide and fur. Which animal might need these adaptive characteristics to survive in its environment?

a)

an iguana

b)

a polar bear

c)

a swan

d)

a fox

315.

Which of the following adaptations would most likely help an animal survive in a cold, snowy environment?

a)

Thin skin and long tail

b)

Large feet with bumpy pads and thick fur

c)

Short legs and smooth skin

d)

Brightly colored feathers

316.

An animal has a thick layer of blubber, dense fur, and wide feet. What is the main purpose of these adaptations?

a)

To help the animal survive in cold and snowy habitats

b)

To keep the animal cool in the desert

c)

To help the animal climb trees

d)

To help the animal fly

317.

Which animal is most likely to have adaptations such as large, furry feet and a thick layer of fat under its skin?

a)

A polar bear

b)

A rabbit

c)

A camel

d)

A parrot

318.

What adaptation makes the most sense for living in a cold snowy area?

a)

gills

b)

colorful wings

c)

white fur

d)

striped skin

319.
During the cold winter polar bears_________.
a)
hunt 
b)
hibernate
c)
swim south
320.

An adaptation can be explained as (a)   .

Choose from the below words

all animals can live anywhere

how an organism grows

traits that allow for survival

321.

The polar bear's white fur allows it to hide in the cold arctic. This adaptation is called (a)   .

Choose from the below words
mimicry
camouflage
hibernation
322.

Look at the picture above. This landform was created by

a)

a glacier

b)

a landslide

c)

a wind storm

d)

a volcano

323.

Which process is most likely responsible for shaping the U-shaped valley shown in the image?

a)

Wind deposition

b)

River erosion

c)

Earthquake

d)

Glacial movement

324.

What type of landform is typically formed by glaciers?

a)

Delta

b)

U-shaped valley

c)

Sand dune

d)

Plateau

325.

Which of the following is a feature commonly associated with glacial activity?

a)

Moraines

b)

Sinkhole

c)

Archipelago

d)

Crater

326.

A low area of land between hills or mountains.

a)

Mountain

b)

Desert

c)

Valley

d)

Stream

327.

Evelyn and Ava are observing a river after a heavy rain. What is the name of the geoscience process that moves (transports) water ON Earth's surface?

a)

Precipitation

b)

Runoff

c)

Water Cycle

d)

Melting of Rocks

328.

During a field trip, Michael and Anika observed a river carrying small rocks and sand downstream. Which geoscience process causes these sediments to be transported from one location to another?

a)

Weathering

b)

Deposition

c)

Rock Cycle

d)

Erosion

329.

Charlotte and James are studying a cliffside where rocks are breaking down into smaller pieces. Which geoscience process causes these landforms to break into sediments?

a)

Weathering

b)

Erosion

c)

Deposition

d)

Melting

330.

Arjun noticed that after a heavy rain, the water flowing down the street carried soil and small rocks with it. This process is most commonly known as a type of.....

a)

Weathering

b)

Erosion

c)

Deposition

331.
Question Image

Match the following geological processes with the landforms they create over long periods.

a)

Weathering

1.

Formation of soil from rocks

b)

Erosion

2.

Creation of valleys and canyons

c)

Deposition

3.

Formation of deltas

332.

Weathering or Erosion: Elijah noticed that the wind carries tiny particles, like sand, along with it when it blows. As the wind and particles hit the rock, the rock slowly breaks and wears away.

a)

Weathering

b)

Erosion

333.

Coastal erosion can change the shape of entire coastlines. Each day a coastline will experience two tides. Tides move ocean water up onto the land then back to the ocean. As the tides return to the ocean, they transport sand and sediments from the land with it. This process is known as (a)   .

Choose from the below words
Weathering
Erosion
334.

During a geography class, Mia and Daniel learned about natural forces that can change the surface of Earth. (a)   can change the surface of Earth by turning v-shaped valleys into u-shaped valleys and carrying large boulders long distances.

Choose from the below words
Glaciers
Rivers
Sand dunes
Wind storms
335.

During a school trip to a cave, Aria noticed that stalagmites are structures found on the floors of caves and are made of mineral deposits. Stalagmites provide evidence for how moving water can change Earth materials because stalagmites –

a)

grow upward, while stalactites grow downward from the ceiling.

b)

are sometimes found in or near pools of water underground.

c)

may be small and delicate or very tall and massive.

d)

form where water containing dissolved minerals constantly drips.

336.

During a geography class, Anika asked, 'What is the agent of erosion and transportation responsible for the creation of deltas?'

a)

Ice

b)

Wind

c)

Water

d)

Gravity

337.

Arjun and Emma are studying the effects of environmental changes on erosion. They found that the rate of erosion would increase if the:

a)

Average Rainfall increased

b)

Wind speed decreased

c)

Slope of the land decrease

d)

Vegetation cover increased

338.

During a science experiment, Liam observed that acid rain can cause rocks to break down over time. This process is an example of which type of weathering?

a)

Physical Weathering

b)

Chemical Weathering

c)

Biological Weathering

d)

Mechanical Weathering

339.

A new school is being constructed as a 'green school' which means all efforts are made to make the school as environmentally friendly as possible. Based on the advantages and disadvantages of the following alternative energy sources, which of the following would be the most practical, reasonable way to supplement or add to the electrical power system?

a)

solar panels on the roof

b)

hydroelectric power from a school pond

c)

nuclear power plant in the utility room

d)

diesel powered generator outside the building

340.

Which of the following energy sources would be the least environmentally friendly choice for powering a green school?

a)

diesel powered generator outside the building

b)

wind turbines on the school grounds

c)

geothermal heating system

d)

solar panels on the roof

341.

When designing a green school, which renewable energy source is most suitable for installation in an urban area with limited open space?

a)

wind farm

b)

biomass power plant

c)

large hydroelectric dam

d)

solar panels on the roof

342.

What is a major advantage of using solar panels as a supplemental energy source for a green school?

a)

They produce electricity without emitting greenhouse gases

b)

They require constant fuel supply

c)

They can only be used at night

d)

They are noisy and disruptive

343.

How so we get energy from the sun?

a)

Sunlight can generate electricity straight from the sky.

b)

Solar panels use the sun to power turbines.

c)

Solar panels can convert sunlight into electrical energy.

d)

Solar panels generate their own electricity.

344.

Energy from the sun is converted into electricity.

a)

solar energy

b)

water energy

c)

biomass energy

d)

geothermal energy

345.
Which type of alternative energy source is shown in this picture?
a)
Wind
b)
Solar
c)
Hydroelectric
d)
Geothermal
346.

This power plant, harnessing the energy of heat below Earth's surface, produces electricity most likely by using

a)
fossil fuels
b)
biofuels
c)
solar energy 
d)
geothermal energy 
347.

Renewable Resources are the SAME as ...

a)

Non-Renewable Resources

b)

Green Energy

348.
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
a)
Water
b)
Wind
c)
Solar
d)
Geothermal
349.
Which alternative energy source is generated beneath Earth’s crust and can be used to heat buildings?
a)
Hydroelectric energy
b)
Geothermal energy
c)
Wind energy
d)
Solar energy
350.
What do we call large areas of windmills?
a)
Wind farms
b)
Hurricanes
c)
Turbines
d)
Wind tunnels
351.
Why is solar energy considered renewable energy?
a)

It's cheaper than fossil fuels

b)

The sun's energy would not run out for billions of years so it can be used over and over

c)

Solar energy recharges batteries

d)

Solar energy takes away energy from the moon

352.

Which form of energy is being captured from the sun to provide electricity to this home?

a)

electrical energy

b)

light energy

c)

mechanical energy

d)

sound energy

353.

What device is commonly used to convert sunlight into electricity for homes?

a)

Solar panel

b)

Geothermal pump

c)

Wind turbine

d)

Hydroelectric dam

354.

Which type of energy transformation occurs when solar panels are used on a house?

a)

Sound energy to mechanical energy

b)

Light energy to electrical energy

c)

Mechanical energy to light energy

d)

Chemical energy to heat energy

355.

Why are solar panels placed on the roof of a house?

a)

To block rainwater

b)

To capture the most sunlight

c)

To keep the roof cool

d)

To make the house look modern

356.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
357.

Which force keeps the moon in orbit around Earth?

a)

Earth’s gravitational force

b)

the moon’s gravitational force

c)

the sun’s gravitational force

d)

the stars’ gravitational force

358.

What would happen to the moon if Earth's gravity suddenly disappeared?

a)

The moon would stop moving completely

b)

The moon would fly off into space in a straight line

c)

The moon would continue orbiting Earth

d)

The moon would fall toward the sun

359.

Which force is primarily responsible for keeping satellites in orbit around Earth?

a)

Magnetic force

b)

Gravitational force

c)

Frictional force

d)

Electrostatic force

360.

Why does the moon not fall to Earth despite being attracted by gravity?

a)

Because Earth's gravity is too weak

b)

Because the sun pushes it away

c)

Because it is moving fast enough to stay in orbit

d)

Because the moon has no mass

361.

The force that pulls down is called​ (a)   .

Choose from the below words
gravity
motion
direction
362.

Select the arrow that indicates gravitational force.

A
B
363.

As the distance between objects increases, the force of gravity between them

(a)  

Choose from the below words

increases

decreases

stays the same

364.
If you went to the moon, your weight would
a)
Increase
b)
Decrease
c)
Stay the same
365.
If you went to Jupiter, your mass would
a)
Increase
b)
decrease
c)
stay the same
366.
Gravity pulls everything toward
a)
The ground
b)
the moon
c)
The center of a mass
d)
the sun
367.
The spinning motion of a planet on its axis is its
a)
Rotation
b)
Revolution
c)
orbital period
d)
orbital radius
368.

The force that causes objects with mass to attract one another.

a)

Weight

b)

Gravity

c)

Mass

d)

Magnetism

369.

The force that pulls two objects towards each other;

the greater the mass of an object, the greater the attraction; the further apart the objects,

the weaker the attraction.

a)

Gravitational Attraction

b)

Gravity

c)

Magnetism

d)

Weight

370.

The law that says every object in the universe attracts every other object, and that the force is affected by mass and distance: the greater the mass of an object,

the greater the attraction; the farther apart the objects, the weaker the attraction.

a)

Newton's First Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

d)

Newton's Law of Universal Gravitation

371.

The amount of matter in an object.

a)

Weight

b)

Volume

c)

Mass

d)

Capacity

372.

The gravitational attraction between two objects would increase if both masses are –

a)

increased, and the distance between them is increased.

b)

increased, and the distance between them is decreased.

c)

decreased, and the distance between them is decreased.

d)

decreased, and the distance between them is increased.

373.

Which of the following would have the smallest gravitational attraction between the two masses?

a)
b)
c)
d)
374.

In which example is the gravitational force of attraction between the two objects the greatest?

a)

Example 1

b)

Example 2

c)

Example 3

d)

Example 4

375.

What was a result of the increase in cows in the area?

a)

The amount of grass decreased.

b)

The amount of grass increased.

c)

The number of prairie dogs was unchanged.

d)

The number of mosquito trees increased.

376.

Which of the following is most likely to happen if the number of cows continues to rise?

a)

The number of mosquito trees will decrease.

b)

The grass will grow taller.

c)

The grass will become scarce.

d)

The number of prairie dogs will increase.

377.

Why did the amount of grass change when more cows were introduced?

a)

Because cows avoid grass.

b)

Because cows attract prairie dogs.

c)

Because cows eat grass.

d)

Because cows plant more grass.

378.

What is an ecosystem?

a)

The interactions among living and non-living things in an environment.

b)

A type of organism that can only be seen with a microscope.

c)

A bunch of moving parts that do work.

d)

The newest craze in social media.

379.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
380.

All living thing are called

a)

Organism

b)

Decomposers

c)

Producers

d)

Consumers

381.

The nonliving parts of an organisms habitat.

a)

community

b)

habitat

c)

biotic factors

d)

abiotic factors

382.

An organism that lives by breaking down dead organic matter into nutrients _______________________.

a)

scavenger

b)

consumer

c)

decomposer

d)

carnivore

383.
An ecosystem is made up of _______ and ________ things.
a)
Living and nonliving
b)
Alive and dead
c)
Plants and animals
d)
Land and water
384.

What factor is abiotic

a)

grass

b)

soil

c)

birds

d)

bacteria

385.

The snake is the _______.

a)

Predator

b)

Prey

386.

The following are example of ....

a)

Primary producers

b)

Primary consumers

c)

Decomposers

d)

Secondary consumers

387.

The leaves of which plant below show the best structural adaptation for climbing up trees and other structures toward the sun?

a)

A. [Image of plant A]

b)

B. [Image of plant B]

c)

C. [Image of plant C]

d)

D. [Image of plant D]

388.

Which of the following plant structures is most likely to help a vine attach itself to a support as it grows upward?

a)

D. Deep taproots

b)

A. Broad, flat leaves

c)

B. Tendrils

d)

C. Thick, woody stems

389.

Why do you think that animals adapt to the environment around them?

(a)  

390.

Chameleons are reptiles that have the ability to hide from predators and prey by blending in with their environment. They can change the pattern and/or color of their skin. This ability is known as --

a)

natural selection

b)

imitations

c)

mimicry

d)

camouflage

391.
When an animal looks like another animal it is called ______________.
a)
camouflage
b)
mimicry
c)
warning coloration
d)
protective resemblance
392.
Which feature helps an animal hide from other animals?
a)
looking like a dangerous animal
b)
being the same color as the place it lives (camoflauge)
c)
having sharp claws or a strong shel
d)
having only a few young and caring for them
393.

____________occurs when one animal displays physical or behavioral traits that copy those of a different species.

a)

Adaptation

b)

Hibernation

c)

Mimicry

d)

Camouflage

394.
Why might some plants have thorns?
a)
to stay safe from animals that want to eat the plant
b)
to attract insects that spread pollen to other plants
c)
to take in nutrients from the air
d)
to provide shade for the plant
395.

which is an inherited trait?

a)

speaking spanish

b)

cat using a litter box

c)

bird saying hello

d)

spines on a cactus

396.

Most adaptations that help an organism survive are passed on from parent to child as ____.

a)

behavioral adaptations

b)

genetic variation

c)

inherited traits

d)

none of the above

397.

Desert plants have special structures that help them collect and store water. These structures are most beneficial in-

a)

wet climates

b)

dry climates

c)

windy climates

d)

humid climates

398.

What is the term used to describe a characteristic that helps an organism survive in its environment and reproduce?

a)

Evolution

b)

Variation

c)

Adaptation

d)

Traits

399.

What is the term used to describe a behavioral pattern that occurs when an animal greatly reduces their activity during the winter?

a)

Migration

b)

Hibernation

c)

Regeneration

400.

Many types of birds will fly south for the winter. What term describes this journey?

a)

Migration

b)

Hibernation

c)

Regeneration

401.

A walking stick insect blends in with its environment. What term describes this adaptation?

a)

Hibernation

b)

Internal adaptation

c)

Camouflage

d)

Migration

402.

What is the term used to describe when one organism tries to look like or resemble another organism?

a)

Copycat = Mimicry (mimic)

b)

Variation

c)

Hibernation

d)

Migration

403.

What adaptation would help a frog both catch its prey and avoid its predators?

a)

When frogs swim very slowly through the water.

b)

Big eyes.

c)

Breathable skin.

d)

Green color to blend in with its environment.

404.

What is the temperature reading on this thermometer?

a)

−10° C-10\degree\ C

b)

0° C0\degree\ C

c)

10° C10\degree\ C

d)

30° C30\degree\ C

405.

What is the temperature reading on this thermometer?

a)

−10° C-10\degree\ C

b)

30° C30\degree\ C

c)

70° C70\degree\ C

d)

100 100° C100\degree\ C

406.

What is the temperature reading on this thermometer?

a)

60° C60\degree\ C

b)

70° C70\degree\ C

c)

80° C80\degree\ C

d)

90° C90\degree\ C

407.

What is the temperature reading on this thermometer?

a)

−10° C-10\degree\ C

b)

0° C0\degree\ C

c)

30° C30\degree\ C

d)

70° C70\degree\ C

408.

What is the temperature reading on this thermometer?

a)

25°C25\degree C

b)

30°C30\degree C

c)

35°C35\degree C

d)

40 40°C40\degree C

409.

What tool is used to measure temperature?

a)

ruler

b)

thermometer

c)

beaker

d)

triple beam balance

410.

What unit is used when measuring temperature?

a)

N

b)

°C\degree C

c)

kg

d)

°F\degree F

411.

What unit is used to measure mass?

a)

N

b)

°C\degree C

c)

kg

d)

°F\degree F

412.

What tool is used when measuring mass?

a)

graduated cylinder

b)

spring scale

c)

ruler

d)

electric balance

413.

What tool is used to measure length?

a)

ruler

b)

beaker

c)

spring scale

d)

triple beam balance

414.

What unit is used when measuring length?

a)

N

b)

°C\degree C

c)

kg

d)

m

415.

What unit is used when measuring the force weight?

a)

N

b)

°C\degree C

c)

kg

d)

m

416.

What tool is used to measure the force weight?

a)

graduated cylinder

b)

electric scale

c)

spring scale

d)

meter stick

417.

What is the SI measurement of this ruler?

a)

3cm

b)

10cm

c)

13cm

d)

13in

418.

What is the SI measurement of this ruler?

a)

5in

b)

5cm

c)

6in

d)

6cm

419.

What is the SI measurement of this ruler?

a)

2cm

b)

6cm

c)

6.5cm

d)

8.5cm

420.

What is the SI measurement of this ruler?

a)

5.5cm

b)

10cm

c)

5.5in

d)

10in

421.

What is the SI measurement of this ruler?

a)

4.5in

b)

8.5in

c)

4.5cm

d)

8.5cm

422.

What is the SI measurement of this ruler?

a)

4cm

b)

5cm

c)

5.5cm

d)

6cm

423.

What is the volume of the liquid in the cylinder?

a)

4mL

b)

5mL

c)

6mL

d)

7mL

424.

What is the volume of the liquid in the cylinder?

a)

5mL

b)

6mL

c)

7mL

d)

8mL

425.

What is the volume of the liquid in the cylinder?

a)

8mL

b)

9mL

c)

9.5mL

d)

10mL

426.

What is the weight of the baseball? (Pick the closest)

a)

0N

b)

2N

c)

5N

d)

5lbs

427.

What is the weight of the flowerpot? (Pick the closest)

a)

25lbs

b)

25N

c)

42N

d)

50lbs

428.

What is the weight of the watermellon? (Pick the closest)

a)

75lbs

b)

75N

c)

80N

d)

97N

429.

Which is the most likely mass of the watermelon?

a)

200g

b)

300g

c)

495g

d)

6000g

430.

What is the SI temperature?

a)

28°C28\degree C

b)

32°C32\degree C

c)

78°F78\degree F

d)

84°C84\degree C

431.

What is the SI temperature?

a)

5°C5\degree C

b)

6°C6\degree C

c)

42°F42\degree F

d)

44°F44\degree F

432.

Which is true?

a)

The left side has more mass

b)

The right side has more mass

c)

The mass is equal

433.

Which is true?

a)

mass changes depending on the planet you are on

b)

weight changes depending on the planet you are on

c)

both weight and mass change depending on the planet you are on

d)

neither mass nor weight changes regardless of the planet you are on

434.

Based on the sensitivity of the graduated cylinder, what is the volume of the liquid?

a)

70.5 mL

b)

73.0 mL

c)

76.7 mL

d)

87.0 mL

435.

What is the correct reading of the liquid level in the graduated cylinder shown?

a)

80.0 mL

b)

76.7 mL

c)

68.5 mL

d)

65.2 mL

436.

Which of the following best represents the volume measured in the graduated cylinder, considering its precision?

a)

80.5 mL

b)

70.0 mL

c)

76.7 mL

d)

75.0 mL

437.

If the meniscus is at the 76.7 mL mark, what should be recorded as the volume of the liquid?

a)

77.0 mL

b)

75.7 mL

c)

76.7 mL

d)

76.0 mL

438.
At which point should the reading on this instrument be taken?
a)
Highest
b)
Left Side
c)
Right Side
d)
Meniscus 
439.

What is this liquid level?

a)

23.0 mL

b)

21.5 mL

c)

21.50 mL

d)

18.5 mL

440.
Where do we read the level of liquid?
a)
The highest point the liquid touches.
b)
The bottom of the meniscus.
c)
Half way between, we make an educated guess and round it.
d)
Somewhere about there.
441.

Identify the meniscus of the liquid.

A
B
C
442.
The water often curves down in a graduated cylinder. What is the scientific term for that curve?
a)
polarity
b)
water curve
c)
hypothesis
d)
meniscus
443.
The curved surface at the top of a column of water is called the __________ . 
a)
arch 
b)
meniscus
c)
bowl
d)
scoop
444.
Where should you read the level of water on the graduated cylinder?
a)
Level "A"
b)
Level "B"
c)
Level "C"
d)
None of these
445.

In a section of the Grand Canyon scientists have found the fossil remains for several different groups of organisms. The diagram below represents the number and age of the fossils the scientists found. The width of each shaded area in the diagram below indicates the relative number of fossils found. Which of the following statements is supported by the fossil record?

a)

Group C is now extinct.

b)

Group D has been in existence the longest.

c)

Group A is the most recent organism to come into existence.

d)

Group B was the most numerous organism ten million years ago.

446.

Based on the fossil diagram, which group appears to have experienced a significant increase in population before declining?

a)

Group A

b)

Group B

c)

Group C

d)

Group D

447.

What does the presence of Group A fossils only in the uppermost layers suggest about its existence?

a)

Group A was the most numerous throughout history.

b)

Group A appeared more recently compared to other groups.

c)

Group A is the oldest group found in the canyon.

d)

Group A existed for a long period of time.

448.

If Group D fossils are found in all layers of the diagram, what can be inferred about Group D?

a)

Group D became extinct early.

b)

Group D has existed continuously for the longest period.

c)

Group D appeared most recently.

d)

Group D was never numerous.

449.

Which rock layer would have the oldest fossils?

A
B
C
D
450.

Identify which Rock layer contains the oldest and youngest fossils

a)

Oldest Fossils

b)

Youngest Fossils

1
2
1)
2)
451.

Which layer has the oldest Fossils?

a)

A

b)

B

c)

C

d)

D

e)

E

452.

Look at each characteristic.

Determine if that characteristic is documented by the fossil record

Categorize the following

change of life-forms

diversity of life forms

number of life-forms

hunting behavior of life-forms

environment the life form lives in

extinction of the life-form

age of the life-form

Documented by the Fossil Record
Not Documented by the Fossil Record
453.

What is the fossil record

a)

footprints found in rock

b)

fossils found in the last 500,000 years

c)

a fossil found in sedimentary rock

d)

All fossils that have been discovered

454.

Why is the fossil record incomplete?

CHOOSE ALL THAT APPLY

a)

Not all organisms that die become a fossil.

b)

Some organisms have not bee extinct long enough

c)

Very few fossils formed during Precambrian Time.

d)

There are still fossils buried in rock that have not been found.

e)

Some organisms, like bacteria, are too small to make a fossil

455.

Which would most likely form a fossil-A lobster or a jellyfish? Why?

a)

The Jellyfish because this organism has hard parts and hard parts are more likely to fossilize.

b)

The Jellyfish because this organism has soft parts and soft parts are more likely to fossilize.

c)

The Lobster because this organism has hard parts and hard parts are more likely to fossilize.

d)

The Lobster because this organism has soft parts and soft parts are more likely to fossilize.

456.

Which layer has the oldest Fossils?

a)

A

b)

B

c)

C

d)

D

e)

E

457.

According to this diagram of the Fossil Record, what organisms appeared before dinosaurs?

Choose ALL that apply

a)

Ammonites

b)

Trilobites

c)

Plants

d)

Birds

458.

Fossils in Layer B are _______________

a)

the same age

b)

different ages

459.

Dinosaurs and Birds lived at the same time

a)

Ture

b)

False

460.

The trilobites are the same age as the rock in layer C

a)

Ture

b)

False

461.

If scientists found this fossil, what could they infer?

a)

what fish are like today

b)

that this fish lacked oxygen

c)

that water once covered the area where this fossil was found

462.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
463.

What are the oldest fossils and why?

a)

B, C- because they are closest to the top

b)

A, B- because they are closest to the bottom

c)

They are all the same age- because they are all found on layer 2

d)

A, B- because they are found closest to the top

464.

Geologists use radioactive dating to..

a)

determine the relative ages of rock layers.

b)

tell the difference between molds and casts.

c)

tell where one soil horizon ends and the next one begins.

d)

determine the absolute ages of rocks.

465.

How do most fossils form?

a)

An insect becomes trapped in amber.

b)

An entire organism becomes frozen in ice.

c)

A dead organism becomes buried in sediment.

d)

A dead organism becomes buried in tar.

466.

Index fossils must meet two criteria, they must have existed for a short period of time and ...

a)

be few in numbers

b)

lived for a long time

c)

be widely distributed

d)

be really old in age

467.

What can scientists learn from studying the relationships between fossils?

a)

how old all rock layers are

b)

how life changed over time

c)

how many relatives fossils had

468.
What event marks the end of each geologic area?
a)
1 million years
b)
burst of new life forms
c)
mass extinction
d)
ice age
469.
_______ fossils can provide information about how organisms moved, rested, burrowed, etc.
a)
Mold
b)
Cast
c)
Trace
d)
Replacement
470.
As time goes on, specimens in the fossil record become more _________.
a)
confusing
b)
common
c)
complex
d)
simple
471.
Which best describes fossils?
a)
They are the preserved remains or evidence of ancient living things
b)
They are the preserved remains or evidence of ancient living and nonliving things
c)
They are the preserved bones of ancient animals
d)
They are impressions of plant leaves in ancient rocks
472.

The length of time required for half of the radioactive atoms in a sampe to decay is is called _____.

a)
the daughter product
b)
geologic time
c)
the half-life
d)
the half-time
473.

Which of these circumstances are most likely to become fossils?

Select all that apply:

a)

A dinosaur is eaten by another dinosaur and is left on the ground.

b)

A dinosaur is covered up by a mud slide.

c)

A dinosaur sinks and is covered up in tar.

d)

A dinosaur dies of old age in a forest.

474.

​ (a)   is the method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock. ​ (b)   uses the proportion of radioactive isotopes to stable isotopes to calculate the age of the sample.

Choose from the below words
Relative Dating
Absolute/Radiometric Dating
Relativity
Law of Superposition
475.

Which fossils are found in layer 5.

a)

A, B

b)

A, C

c)

C only

d)

C, D

476.

When did fossil A become extinct?

a)

Layer 1

b)

Layer 2

c)

Layer 3

d)

Layer 4

477.

Which is the major difference between the Permian period and the Jurassic period?

a)

Organisms evolved to from land animals to being able to fly

b)

Organisms went from four legs to two

c)

Organisms got fatter

d)

Organisms stayed the same during these periods

478.
Scientists use unstable elements that decay, called _________ elements, to determine the actual age of a fossil.
a)
radioactive
b)
cation
c)
anion
d)
petrified 
479.
What is a mass extinction?
a)
the extinction of all of Earth's species at ones time
b)
the extinction of many types of organisms at the same time
c)
the end of days
d)
the creation of many species at one time
480.
The geologic time scale is a record of....
a)
the history of fossils only
b)
the history of rocks
c)
the history of rock layers and fossils
d)
geologist notes
481.
Which period are we currently in?
a)
Quaternary
b)
Holocene
c)
Jurassic
d)
Tertiary
482.

Dinosaurs, small mammals, and birds are found in this time period

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

483.

What are the four eras in order from OLDEST to NEWEST?

a)

Pre-Cambrian, Paleozoic, Mesozoic, Cenozoic

b)

Pre-Cambrian, Mesozoic, Paleozoic, Cenozoic

c)

Cenozoic, Mesozoic, Paleozoic, Pre-Cambrian

d)

Mesozoic, Pre-Cambrian, Cenozoic, Paleozoic

484.

Which time period is the longest?

a)

Precambrian Time

b)

Paleozoic Era

c)

Mesozoic Era

d)

Cenozoic Era

485.

Which fossil would be most useful in determining the relative age for the rocks in these geologic columns?

(Hint: Which would serve as an index fossil?)

a)

Ammonite

b)

Branchiopod

c)

Trilobite

d)

Turritella

486.

Fossils in Layer B are _______________

a)

the same age

b)

different ages

487.

Dinosaurs and Birds lived at the same time

a)

Ture

b)

False

488.

If scientists found this fossil, what could they infer?

a)

what fish are like today

b)

that this fish lacked oxygen

c)

that water once covered the area where this fossil was found

489.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
490.

How do most fossils form?

a)

An insect becomes trapped in amber.

b)

An entire organism becomes frozen in ice.

c)

A dead organism becomes buried in sediment.

d)

A dead organism becomes buried in tar.

491.
_______ fossils can provide information about how organisms moved, rested, burrowed, etc.
a)
Mold
b)
Cast
c)
Trace
d)
Replacement
492.

In an ecosystem, which is the most likely reason for an increase in the producer population if there is also an increase in the carnivore population?

a)

fewer herbivores

b)

higher temperatures

c)

less food

d)

more oxygen

493.

What would most likely happen to the herbivore population if the producer population decreases in an ecosystem?

a)

It would decrease

b)

It would increase

c)

It would remain the same

d)

It would double

494.

Which group in an ecosystem is directly responsible for converting solar energy into chemical energy?

a)

Decomposers

b)

Herbivores

c)

Producers

d)

Carnivores

495.

If the number of carnivores decreases in an ecosystem, what is the most likely effect on the producer population?

a)

It will stay the same

b)

It will decrease

c)

It will increase

d)

It will disappear

496.

Match the following

a)

ecosystem

1.

community of organisms and their abiotic environment

b)

community

2.

populations of different kinds of organisms that live together in an area

c)

organism

3.

a living being

d)

population

4.

a group of individuals, same species

e)

biosphere

5.

the part of Earth that supports life

497.

Mullet eat seagrass and algae. Mullet are ​ (a)   in an estuary.

Choose from the below words
primary consumers
primary producers
secondary consumers
tertiary consumers