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FINAL EXAM REVIEW

Total questions: 165

Worksheet time: 5hrs 13mins

Name
Class
Date
1.

mixtures are different from pure substances because mixtures-

a)

have a lower boiling point

b)

are less dense than pure substances

c)

can be separated by physical means

d)

contain only one atom

2.

heterogeneous mixtures are -

a)

mixtures made of a pure substance

b)

mixtures that can't be separated easily

c)

mixtures that can be called solutions

d)

mixtures that are not uniformed throughout

3.

Which of the following would help a student classify an unknown element as a metal, metalloid, or nonmetal?

a)

measuring conductivity

b)

density

c)

boiling point

d)

observing its color

4.

what PHYSICAL properties are used to classify elements as metal, metalloids, or non-metals

a)

Color, smell, physical state

b)

Reactivity, streak, hardness

c)

Ability to burn, mass, density

d)

Luster, conductivity, malleability

5.

The density of water is 1 g/mL. The density of corn syrup is 1.4 g/mL. Which of the following is the best estimate of the density of dish soap?

a)

4.2

b)

3.5

c)

1.5

d)

1.2

6.

3 liquids were poured into a jar. Liquid A is 4g/ml, Liquid 2 is 8g/ml, and liquid C is 1g.ml. Which is the correct order, from top to bottom, of the column that would form? Drag the labels to put them in the correct order.

a)

B,C,A

b)

C,A,B

c)

B,A,C

d)

A,C,B

7.

Oxygen in the air is taken in by animals on the ground. This is an interaction between which of earth's two spheres

a)

geosphere and hydrosphere

b)

hydrosphere and atmosphere

c)

atmosphere and geosphere

d)

atmosphere and biosphere

8.

Heavy rainfall causes a landslide on the side of a mountain. involves which of earth's two spheres

a)

hydrosphere to geosphere

b)

geosphere and atmosphere

c)

biosphere and hydrosphere

d)

biosphere and atmosphere

9.
a)

structure

b)

energy

c)

weight

d)

density

10.

what state of matter takes the shape of their container

a)

gasses and liquids and solids

b)

gasses and liquids

c)

liquids and solids

d)

solids

11.

Why are plants considered autotrophs

a)

They make their own food

b)

They provide food for others

12.

Which of the following is needed for the process of photosynthesis?

a)

Water

b)

Oxygen

c)

Starch

d)

Carbon dioxide

13.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
14.

What is produced as a result of photosynthesis?

a)

glucose and chlorophyll

b)

water and light energy

c)

glucose and oxygen

d)

carbon dioxide and water

15.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
16.
Evidence of a chemical reactions is anything that shows - 
a)
a new substance has formed
b)
a solid dissolved in a liquid
c)
interaction between 2 gases
d)
a change in the state of matter
17.
One of the signs of a chemical reaction taking place is:
a)
Bubbles are produced 
b)
Reactants are not combining
c)
Products are not forming
d)
Color is not changing
18.
Which of the following describes a precipitate?
a)
a liquid forms when a block of metal is heated
b)
a solid forms when one liquid is poured into another
c)
a gas forms when a solid is placed in a liquid
d)
bubbles form when an acid is poured on a rock
19.
Which is NOT an indication of a chemical change?
a)
temperature change
b)
formation of a precipitate
c)
shape change
d)
production of light
20.

What is the evidence that a chemical change has taken place?

a)

gas production

b)

change in energy

c)

change in color

d)

production of a precipitate

21.

Identify the change as physical or chemical

a)

physical

b)

chemical

22.

Identify the change as physical or chemical.

a)

physical

b)

chemical

23.

What is one way in which all living things on Earth are alike?

a)

All living things have hair.

b)

All living things are made of cells.

c)

The cells of all living things have chloroplast.

d)

All living things can move.

24.
This organelle is a rigid outer layer that protects plant cells.
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Chloroplast 
25.

The _____________ stores food, water, wastes, and other materials in both plant and animal cells.

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Nucleus

26.
An organelle that captures energy from the sunlight in order to use it to produce food in plant cells is ______________.
a)
Chromatin
b)
Chloroplast
c)
Cytoplasm
d)
Cell Membrane
27.

What can only be found in plant cells?

a)

Cell membrane

b)

Vacuole

c)

Chloroplast

d)

Mitochondria

28.

What is the main difference between prokaryotic and eukaryotic cells?

a)

Prokaryotic cells are found only in multicellular organisms

b)

Eukaryotic cells are found only in unicellular organisms

c)

Eukaryotic cells have a nucleus and prokaryotic cells do not

d)

Prokaryotic cells have DNA and eukaryotic cells do not

29.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
30.
Which terms best describe autotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
31.
Which terms best describe heterotrophs?
a)
Plants; producers
b)
Animals; producers
c)
Plants; consumers
d)
Animals; consumers
32.
From where do autotrophs obtain their energy?
a)
The sun
b)
Other organisms
33.

If it is Winter in the Northern hemisphere, what is it in the Southern hemisphere?

a)

Winter

b)

Spring

c)

Summer

d)

Fall

34.

What are the reasons for the seasons?

a)

Earth's tilt and rotation

b)

Earth's rotation and revolution (orbit)

c)

Earth's tilt and revolution (orbit)

d)

Earth's tilt and resolution

35.
Why is it warmer in the summer?
a)
Closer to the sun
b)
More direct light from Earth's tilt
c)
Stronger light from the sun
d)
Earth spins slower
36.

What season is it for us in the Northern Hemisphere in the picture?

a)

Summer

b)

Winter

c)

Fall

d)

Spring

37.

Which of the following statements best describes the term photosynthesis?

a)

When plants absorb the energy from the sun.

b)

How plants reproduce.

c)

The process by which plants make their own food.

d)

The process by which animals make their own food.

38.

Which of the following does NOT belong to the cell theory?

a)

all living organisms have the same type of cell

b)

All living organisms are composed of one or more cells

c)

All cells come pre-existing cells

d)

Cells are the basic unit of life

39.

In a eukaryotic cell, where is the DNA located?

a)

In the cell membrane

b)

There is no DNA

c)

In the nucleus

d)

In the cell wall

40.

In a prokaryotic cell, where is the DNA located?

a)

It's stuck to the cell wall for protection

b)

In the nucleus of the cell for protection

c)

In the brain of the cell

d)

It's floating in the center of the cell and has no protection

41.

What type of cells do animals have?

a)

prokaryotic cells

b)

bacteria cells

c)

eukaryotic cells

d)

none of the above

42.

Check the boxes that tell the cell theory.

a)

all organisms are composed of one or more cells

b)

all cells are the basic unit of life

c)

All cells are plant cells

d)

All cells come from pre-existing cells

43.

What do you see?

a)

a prokaryotic cell

b)

the bottom of the ocean

c)

Bacteria

d)

a eukaryotic cell

44.

What do you see?

a)

a white blood cell

b)

an eukaryotic cell

c)

DNA

d)

a prokaryotic cell

45.

one cell

a)

unicellular

b)

multicellular

c)

neither

46.

many cells

a)

unicellular

b)

multicellular

c)

neither

d)

both

47.

bacteria

a)

unicellular

b)

multicellular

c)

neither

48.

Organisms that cannot make their own food and must get energy from eating other organisms are called...

a)

autotrophs

b)

heterotrophs

c)

plants

49.

What do you call organisms that can make their own food for energy?

a)

heterotophs

b)

autotrophs

c)

trophies

50.
What is another name to describe a heterotroph?
a)
Consumer
b)
Producer
51.

What do you call organisms that eat other organisms for energy?

a)

heterotophs

b)

autotrophs

c)

trophies

52.

What are the 3 reactants of photosynthesis? The reactants are the things needed for photosynthesis to occur.

a)

oxygen, glucose, sunlight

b)

sunlight, oxygen, water

c)

water, oxygen, carbon dioxide

d)

carbon dioxide, sunlight, water

53.

What are the 2 products of photosynthesis? The products are the things made in the process of photosynthesis.

a)

water, sunlight

b)

glucose, carbon dioxide

c)

oxygen, glucose

d)

sunlight, oxygen

54.

Which of the following is an example of a chemical change?

a)

water freezes to form ice

b)

sugar dissolves in water

c)

gasoline burns in a car engine

d)

a piece of metal expands when it is heated

55.

Which one shows that a chemical reaction has occurred?

a)

dissolving

b)

melting

c)

formation of a gas

d)

bending

56.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
57.

In a ___________change, a substance changes into a new substance.

a)

Physical

b)

Chemical

58.
Evidence of a chemical reactions is anything that shows - 
a)
a new substance has formed
b)
a solid dissolved in a liquid
c)
interaction between 2 gases
d)
a change in the state of matter
59.

Arrows in a food web represent...

a)

eating

b)

sunlight

c)

energy

d)

matter

60.

Who is the producer?

a)

lettuce

b)

greenfly

c)

ladybird

d)

thrush

61.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
62.

Which list contains only animals that receive energy transferred directly from consumers in this food web?

a)

Red-tailed hawks, snowshoe hares, and caterpillars

b)

Snowshoe hares and caterpillars

c)

Snowshoe hares and shrews

d)

Shrews and red foxes

63.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
64.

Which of these completes the food chain correctly?

a)

a rock

b)

a fox

c)

a plant

d)

an egg

65.

Which of these is a possible food chain for this environment?

a)

Sun → grass → fly → frog

b)

frog → fly → grass → Sun

c)

Sun ← grass ← fly ← frog

d)

Sun → fly → frog → snake

66.

Non-Living things that affect the ecosystem

a)

biotic

b)

abiotic

c)

dead

d)

zombies

67.

Living things that affect the ecosystem.

a)

rocks

b)

pokemon

c)

abiotic

d)

biotic

68.

Hawks and brown bears live together in the same habitat. There will be competition between the hawks and the brown bears only if which of the following is true?

a)

Brown bears hibernate during the winter while hawks remain active.

b)

Pesticides in the fish population affect hawks’ eggs and decrease their population.

c)

Both brown bears and hawks feed on the same species of fish.

d)

Both Shanna and Savanna feed on the same species of snakes.

69.
An organism that is killed and eaten by another organism
a)
Predator
b)
Prey
c)
Competition
d)
Adaptation
70.
Which of the following would be considered to be prey?
a)
an animal that has to hunt for its food
b)
an animal that is eaten by another animal
c)
an organism that makes it own food
d)
an organism that feeds on the blood of another animal
71.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
72.
The role of an organism in its habitat, or how it makes its living
a)
Niche
b)
Prey
c)
Competition
d)
Adaptation
73.
A group of bunnies living in the forest is an example of a __________.
a)
Population
b)
Ecosystem
c)
Individual
d)
Community
74.

The diagram below shows a sled moving along a smooth, frictionless track. In which sections of the track will the sled experience an unbalanced force?

a)

Sections 1 and 3

b)

Sections 2 and 3

c)

Sections 2 and 4

d)

Sections 3 and 4

75.

Based on the graph. Which surface has the greatest amount of friction.

a)

Surface A

b)

Surface B

c)

Surface C

d)

Surface D

76.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
77.

If two people pull on a book but the book doesn't move then which of the following is true?

a)

The forces are balanced, and the net force is zero.

b)

The forces are balanced, and the net force is positive.

78.

What is the net force on the block?

a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
79.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
80.

Newtons third law states that every action has an _______ and __________ reaction.

(a)  

81.

A cup rests on a table. The force of gravity pulls down on the cup with a force of 66 newtons. What prevents the cup from accelerating downward at 9.8 m/sec.

a)

The table presses back up on the cup with a force greater than 66 newtons.

b)

The table presses back up on the cup with an equal and opposite force of 66 newtons.

c)

The table and the cup together are accelerating downwards at 9.8 m/sec2

d)

The table presses back up on the cup with a force less than 66 newtons.

82.

According to Newton’s third law of motion, if someone steps off a little boat to get on a deck, the boat will slide backward because –

a)

the force that sent the person forward, there is an equal force pushing back on the boat.

b)

the pull of gravity on the person is the same as on the boat, regardless of size.

c)

the mass of the boat is the same as the mass of the person stepping off.

d)

the air resistance on the person is great and the friction on the boat is small

83.
a)

Child At the top of the slide

b)

Child At the bottom of the slide

84.

A package is dropped from an airplane. At which point does the package have the least gravitational potential energy?

a)

Position W: While it is inside the airplane

b)

Position X: The instant it leaves the plane

c)

Position Y: Halfway to the ground

d)

Position Z: When it lands on the ground

85.

Think about a roller coaster or a pendellum ... According to the law of conservation of energy Which of the following is true of the relationship between kinetic and potential energy?

a)

As kinetic energy increases, potential energy increases. 

b)

When a system loses kinetic energy, it loses potential energy.

c)

When a system gains kinetic energy, it loses potential energy.

d)

As kinetic energy decreases, potential energy decreases.

86.

Peter piper Pizza has an alien roller coaster ride, it uses electricity to make its motor spin. The ride also has lights, and sound and moves up and down. Which statement below is true about the roller alien ride?

a)

The amount of energy used by the amusement park ride is greater than a waterlog ride at sea world.

b)

The alien ride only uses energy when it has a full group of riders on it.

c)

The amount of energy used by the alien ride is more than the total amount of energy produced as the motor spins.

d)

The amount of electrical energy used equals the total amount of mechanical, sound, and light energy produced.

87.

friction does what to motion?

a)

speeds it up

b)

Accelerates it

c)

slows it down

d)

nothing

88.

magnetic force is a

a)

non contact force

b)

contact force

c)

not a force

d)

doesn't exist

89.

which force pushes down on all things on earth?

a)

magnetic

b)

applied

c)

gravity

d)

spring

90.

Gravitational potential energy is greatest when the object is

a)

At its lowest height

b)

At its highest height

c)

Moving at its fastest speed

d)

moving slowly

91.

A type of forces that can affect objects over a distance.

a)

friction

b)

spring

c)

magnetic

d)

normal

92.

As an object loses potential energy it is gaining ________ energy

a)

Static

b)

No

c)

Potential

d)

Kinetic

93.

If Magnet 1 is moved closer to Magnet 2, Magnet 2 will move. This is because–

a)

magnets can only exert a force on other magnets.

b)

forces can affect objects over a distance.

c)

moving Magnet 1 changed the force needed to move Magnet 2.

d)

objects need to touch each other in order to cause movement

94.
The thinnest layer of the Earth is the ___________.
a)
mantle
b)
crust
c)
core
95.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
96.
What describes the outer core?
a)
solid
b)
liquid
c)
viscous
d)
gas
97.
What happens to temperature as we move from the crust to the inner core?
a)
Decreases
b)
Increases
c)
Nothing
98.

A relationship between two organisms in which one organism benefits and the other is unharmed...

a)

Mutualism

b)

Commensalism

c)

Parasitism

99.

Ostriches and gazelles eat together. They both watch for predators and danger. Since they see things differently, they each can identify threats the other animal may not see. Both species are benefited.

a)

mutualism

b)

commensalism

c)

parasitism

100.

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers and the eggs hatch. The larvae eat some of the seeds, and spread them around. Both species are benefited.

a)

mutualism

b)

commensalism

c)

parasitism

101.

Mistletoe takes water and nutrients from the oak tree. This is good for the mistletoe but bad for the tree.

a)

mutualism

b)

commensalism

c)

parasitism

102.

Birds build nests out of dead twigs and leaves. They build their nests in living trees. This doesn't hurt the tree.

a)

mutualism

b)

commensalism

c)

parasitism

103.
A tapeworm lives in the intestines of a dog. It absorbs food the dog has eaten and grows larger in the process. The dog becomes weaker from malnutrition. What type of symbiotic relationship is this?
a)
mutualism
b)
commensalism
c)
parasitism
d)
predation
104.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
105.

Predation is similar to _______________ in that both types of relationship benefit one of the interacting species while the other is harmed.

a)

Parasitism

b)

Commensalism

c)

Mutualism

106.

Which of the following best describes a difference between a mutualistic relationship and a parasitic

relationship?

a)

Parasitism harms both organisms, while mutualism harms only one organism.

b)

Parasitism benefits only one organism, while mutualism benefits both organisms.

c)

Parasitism involves only two organisms, while mutualism involves many organisms.

d)

Parasitism continues for many generations, while mutualism is limited to one generation.

107.
The parts of the experiment that must be kept the same.
a)
Constants
b)

Independent variable

c)

Dependent variable

d)

Conclusion

108.

Maya designed an experiment to answer the following question: How does the amount of water given to a lima

bean seed affect how tall it grows?

In this experiment, what variable should Maya CHANGE?

a)

the amount of water

b)

the kind of plant

c)

the type of soil

d)

the amount of sunlight it gets

109.

Esther became interested in insulation while her parent’s new house was being built. She decided to determine which insulation transferred the least heat. She filled each of 5 jars half-full with water.

She sealed each jar with a plastic lid.Then she wrapped each jar with a different kind of insulation. She put the jars outside in the direct sunlight. Later, she measured the temperature of the water in each jar. What is the independent variable?

a)

The type of insulation

b)

The temperature of the water

c)

Number of houses

d)

The amount of sunlight

110.
How many variables should you change in an experiment?
a)
none
b)

only 1

c)
2 or more
d)
depends on the type of experiment
111.

The type of variable that responds to the experiment and is what you measure or count to determine if your hypothesis is true.

a)
Independent
b)
Dependent
c)
Control
112.

Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?

a)

the one with water

b)

the one with soda

c)

the one with milk

d)

the one with no liquid

113.
Dory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
114.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed a tomato plant in 6 identical 10 inch pots with the same amount and type potting soil. She watered them ¼ cup each day. 3 plants were placed under a cardboard box and 3 plants were placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the dependent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

3 plants in the sunlight and 3 plants under a box

115.
a)

How does the amount of sunlight affect the rate of photosynthesis?

b)

How does the amount of water affect the rate of photosynthesis?

c)

How does the surface area of elodea affect the rate of photosynthesis?

d)

How does the amount of oxygen affect the rate of photosynthesis?

116.

The dependent variable is the

a)

data collected

b)

thing that "I" changing

c)

things that remain the same

d)

time passed

117.

The dependent variable is the

a)

data collected

b)

thing that "I" changing

c)

things that remain the same

d)

time passed

118.

Students observed rust forming on a bar of pure iron. Which of the following provides evidence that the change to the iron bar was a chemical change?

a)

The melting point of pure iron is approximately 1,500°C.

b)

The mass and the volume of the rust can be measured.

c)

The iron bar is able to conduct electricity even after rust forms.

d)

The rust is a new substance that is not pure iron.

119.

Which of the following pieces of information would be most helpful in classifying an organism as multicellular or unicellular?

a)

growth rate

b)

number of cells

c)

how it gets energy

d)

presence of a nucleus

120.

Which of the following is true about the amount of energy that is stored in plant cells during photosynthesis?

a)

It is transformed from from an equal amount of potential chemical energy.

b)

It is transformed from an equal amount of radiant energy from the sun.

c)

It is transformed from a greater amount amount of potential chemical energy.

d)

It is transformed from a greater amount amount of radiant energy from the sun.

121.
This rock started as molten magma. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
122.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
123.
Cooling & crystalization produce
a)
igneous rocks
b)
metamorphic rocks
c)
sedimentary rocks
124.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
magma, lava, crystals
125.
The process by which igneous rocks are formed...
a)
heat and pressure
b)
melting and cooling
c)
weathering and erosion
126.
The process by which metamorphic rocks are formed...
a)
heat and pressure
b)
erosion and deposition
c)
melting and cooling
127.
Rock that forms when sediment from older rocks get pressed and cemented together.
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
128.
Which type of rock is made by small bits of rock, mud, or sand compacted and cemented together?
a)
Coal
b)
igneous
c)
metamorphic
d)
sedimentary
129.
Which type of rock is made from a rock being changed by heat and pressure?
a)
Smooshed Rock
b)
igneous
c)
metamorphic
d)
sedimentary
130.
How many high tides does a place have each day?
a)
3
b)
4
c)
5
d)
2
131.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
132.
Wha type of tide would this arrangement of earth-moon-sun create?
a)
full moon tide
b)
new moon tide
c)
neap tide
d)
spring tide
133.
Which phase of the moon is represented in this diagram?
a)
new moon
b)
first quarter
c)
full moon
d)
last quarter/third quarter
134.
What causes tides?
a)
gravity
b)
wind
c)
spring
d)
neap
135.
Why does the moon's gravitational pull have more of effect on tides than the sun's gravitational pull?
a)
they are the same
b)
the moon is larger than the sun
c)
tides are not caused by the moon
d)
the moon is closer to the Earth than the sun
136.
Tides are caused mainly by what?
a)
Moon’s gravitational pull
b)
Sun’s gravitational pull
c)
Earth’s gravitational pull
137.
How many times per month does a spring tide occur?
a)
Once
b)
twice
c)
three times
d)
it changes every month
138.
Which element is a metalloid?
a)
Titanium
b)
Selenium
c)
Potassium
d)
Polonium
139.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
140.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
141.
Which table below correctly lists the properties of metals and nonmetals? *
a)
A
b)
B
c)
C
d)
D
142.
A student tested the conductivity of four elements using an incomplete electrical circuit. When the element is placed in the circuit, the bulb lights up brightly, lights up dimly, or does not light up at all based on the element’s ability to conduct electricity. The table below shows the results of her investigation. Based on the results of the conductivity test, which element is classified as a metal? 
a)
Hydrogen
b)
Arsenic
c)
Krypton
d)
Copper
143.
Which of the following correctly lists the three main groups of elements from greatest conductivity to least conductivity?
a)
Nonmetals -metalloids-metals
b)
metals-nonmetals-metalloids
c)
metalloids-metals-nonmetals
d)
metals-metalloids-nonmetals
144.
The table shows the properties of four elements. Which element in the table is classified as a metal?
a)
Manganese
b)
Sulfur
c)
Silicon
d)
Neon
145.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
146.
John was observing the physical properties of elements in order to classify them as either a metal, nonmetal, or metalloid. The first element was dull, brittle, and did not conduct heat. What would its classification be? 
a)
metal 
b)
nonmetal 
c)
metalloid
147.
´Elizabeth was examining elements and their physical properties. She described an element is her science journal as having no shine, an insulator, and  very brittle. What would this element be a metal, nonmetal, or metalloid?
a)
metal 
b)
nonmetal 
c)
metalloid
148.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
149.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
150.
Metalloids _____________
a)
have no properties of metals.
b)
have no properties of nonmetals.
c)
have some properties of both metals and nonmetals.
d)
none of the above
151.
What is a conductor?
a)
Heat and electricity move through them easily
b)
able to be drawn into a wire
c)
able to be hammered into different shapes
d)
shiny
152.
Where are metalloids located on the periodic table?
a)
to the right of nonmetals
b)
along the zig-zag line
c)
to the left of the zig-zag line
d)
to the right of the zig-zag line
153.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
154.
Why do ice cubes float in a  glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
155.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
156.
If you poured 3 liquids that do not mix how could you tell which one is the most dense?
a)
The liquid on top
b)
The liquid in the middle
c)
The liquid at the bottom
157.
An object with which of the following densities will float on water?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
158.

Adding thermal energy to a cup of water may cause the particles to _____.

a)

move faster

b)

move closer together

c)

slow down

d)

collide less frequently

159.
How many different elements are in this chemical formula: C2H2ClK3
a)
6
b)
8
c)
2
d)
4
160.
Which of the following chemical formulas represents a compound? 
a)
C3
b)
O2
c)
CH3CHO
d)
H2
161.
Can be found on the periodic table
a)
Element
b)
Compound
c)
MIxture
162.
What is krypton?
a)
element
b)
compound
c)
mixture
163.
How many different elements are represented in the compound?
Fe3O4
a)
2
b)
3
c)
1
d)
4
164.
How many different elements are represented in the compound?
CH4
a)
1
b)
2
c)
3
d)
4
165.
Which example is an element? 
a)
OH
b)
Co
c)
H2O
d)
CO2

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