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Science Review

Total questions: 90

Worksheet time: 2hrs 56mins

Name
Class
Date
1.

What state of matter is sugar?

a)

Liquid

b)

Solid

c)

Gas

2.

What state of matter is milk?

a)

Liquid

b)

Solid

c)

Gas

3.

The smoke is...

a)

Liquid

b)

Solid

c)

Gas

4.

Gases fill their entire container

a)

False

b)

True

5.

This state of matter is turning from a solid to a ____?

a)

liquid

b)

Freezing

c)

Gas

d)

Solid

6.

The heat from the sun is causing the water to _________.

a)

evaporate

b)

condensate

c)

boil

d)

freeze

7.

The picture is an example of what state of matter?

a)

Solid

b)

liquid

c)

gas

d)

freezing

8.

This heat is causing the water to _____.

a)

freeze

b)

boil

c)

melt

d)

condensate

9.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
10.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
d)
plasma
11.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
12.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
13.
a)

The mass of the water in Beaker 4 is greater and the temperature is cooler than the water in Beaker 1.

b)

The mass of the water in Beaker 1 is less and the temperature is warmer than the water in Beaker 3.

c)

The mass of the water in Beaker 3 is less and the temperature is cooler than the water in Beaker 4.

d)

The mass of the water in Beaker 2 is greater and the temperature is warmer than the water in Beaker 3.

14.

For a solid to change to a liquid, heat must be __________ .

a)

Added

b)

Removed

15.

When you add or remove heat to an object, you are adding or removing _________.

a)

Mass

b)

Energy

c)

Volume

d)

Matter

16.
What does this tool measure?
a)
time
b)
distance
c)
mass
17.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position.
b)
have no viscosity.
c)
decrease in volume with increasing temperature.
d)
are free to move around one another but still touch.
18.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
19.

Removing energy from particles makes the particles

a)

move faster

b)

move slower

c)

stop moving all together

d)

remain the same

20.

It is the amount of matter in an object.

a)

volume

b)

mass

c)

weight

d)

density

21.

It refers to the space that matter occupies.

a)

volume

b)

mass

c)

weight

d)

density

22.

What units do we use to measure mass?

a)

meter

b)

Celsius

c)

kilogram/gram

d)

Newton

23.

Q4: Observable characteristics such as texture, color, size, and mass are known as...

a)

combinations

b)

states of matter

c)

physical properties

d)

scientific tools

24.
The ability to move, work or cause a change in matter is...
a)
mass
b)
volume
c)
energy
d)
density
25.
One hot summer, you remember you left a cup of water outside. A few weeks later, you saw that the cup was empty and you remember the cup having water. What happened to the water?
a)
It evaporated
b)
It underwent deposition
c)
It melted
26.
A watermelon has more matter than a grape, so it has more
a)
mass
b)
eat
c)
solid
d)
greater
27.
Which physical property is measured in liters?
a)
color
b)
length
c)
mass
d)
volume
28.

What is the temperature at which a substance changes state from a liquid to a solid?

a)

Boiling Point

b)

Freezing Point

c)

Conservation of mass

d)

Melting Point

29.

What is a change of matter in size, shape, or state that does not change the type of matter?

a)

Boiling Point

b)

Freezing Point

c)

Physical Change

d)

Conservation of mass

30.

What is a physical combination of two or more substances that are blended together without forming new substances?

a)

Mixture

b)

Solution

c)

Colloid

d)

Distillation

31.

What is a mixture of substances that are blended so completely that the mixture looks the same everywhere?

a)

Mixture

b)

Solution

c)

Colloid

d)

Solubility

32.

What is any material’s properties that becomes evident during, or after, a chemical reaction?

a)

Chemical Reaction

b)

Chemical Properties

c)

Chemical Change

d)

Reactant

33.

What is an event that occurs as two or more substances are combined to form a new substance?

a)

Chemical Change

b)

Chemical Property

c)

Chemical Reaction

d)

Precipitate

34.
melting ice cream
a)
physical change
b)
chemical change
35.
glass breaking
a)
physical change
b)
chemical change
36.
a rusting bicycle
a)
physical change
b)
chemical change
37.
mowing the lawn
a)
physical change
b)
chemical change
38.
frying an egg
a)
physical change
b)
chemical change
39.
freezing chocolate covered bananas
a)
physical change
b)
chemical change
40.
Is cutting an apple into slices an example of a physical change or a chemical change?
a)
Physical Change
b)
Chemical Change
41.

A physical change...

a)

changes the physical properties of an object, but does not create a new substance.

b)

creates a new substance and cannot be undone.

42.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical
43.

Which of the following organisms is in competition with the wild cat for their food source?

a)

jackel

b)

goat

c)

mouse

d)

rabbit

44.

What would happen to the mouse population if the snake population moved out of the area represented by the food web?

a)

The mouse population would increase.

b)

The mouse population would neither increase nor decrease.

c)

The mouse population would decrease.

45.

A consumer that hunts is called ____.

a)

a producer

b)

nothing

c)

a herbivore

d)

a predator

46.

What might happen if you remove a primary consumer from the ecosystem?

a)

There would be more food for secondary consumers.

b)

The number of producers would increase.

c)

The number of primary consumers would increase.

d)

The number of secondary consumers would increase.

47.

An organism that needs to eat other organisms to obtain energy is known as a __________.

a)

autotroph

b)

consumer

c)

producer

d)

mutualist

48.

What does a food web represent?

a)

All connections of energy flow throughout all organisms in a habitat.

b)

A single pathway or energy flow between organisms.

c)

The specific ways that mutualism is carried out.

d)

How carnivores get their food.

49.

The arrows in a food chain or web represents what?

a)

They point to the organisms that is next to them.

b)

They show what direction the energy is flowing between organisms.

c)

It shows how sunlight flows within an ecosystem.

d)

They represent how water is transferred within a habitat.

50.

An organisms that lives by breaking down dead organic matter into tiny parts is a ____________.

a)

scavenger

b)

consumer

c)

carnivore

d)

decomposer

51.

Identify the correct food chain that demonstrates the energy flow of this food web.

a)

plant >grasshopper >mouse >snake

b)

plant >eagle >mouse> snake

c)

plant >deer > squirrel >coyote

d)

plant >coyote >snake >eagle

52.
The source of where all energy comes from in a food web.
a)
Top Consumers
b)
Producers
c)
The Sun
d)
Ecosystems
53.
Which of the following is a way that humans could change/destroy an ecosystem?
a)
Mowing the grass
b)
Building a shopping center
c)
enjoying a picnic
d)
watching tv
54.

In the daylight, organisms that have chlorophyll, such as plant, algae, and some bacteria, can use the sun's energy, water, and carbon dioxide to make their own food. What is this process called?

a)

petroleum

b)

photosynthesis

c)

food cycle

d)

ecosystem

55.

The three main groups that can be found in all ecosystems are the producers, consumers, and decomposers. Which choice gives an example of each group?

a)

bacteria, grass, flower

b)

clover, rabbit, mushroom

c)

fungi, mushroom, flower

d)

cow, eagle, moose

56.

Producers are the basis of all food chains. Where do producers get their energy?

a)

from the sun

b)

from eating consumers

c)

from decomposers

d)

from eating other producers

57.

In a forest, how do decomposers help other organisms survive?

a)

They release oxygen into the air that animals breathe.

b)

They put nutrients back into the soil that plants use to grow.

c)

They provide shelter in forests where animals can hide.

d)

They use sunlight to make food for plants and animals.

58.

What is one way in which plants depend on animals?

a)

Animals give off the oxygen plants need.

b)

Animals give off the water plants need.

c)

Animals give off the carbon dioxide plants need.

d)

Animals produce the glucose that plants need.

59.
Which level will contain plants?
a)
A
b)
B
c)
C
d)
D
60.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
61.

the process plants go through to make energy

a)

producing

b)

decomposing

c)

respiration

d)

photosynthesis

62.

living and non-living things that interact with each other in their environment

a)

ecosystem

b)

food web

c)

food chain

d)

consumers

63.

which of the following is NOT an example of a type of ecosystem

a)

desert

b)

forest

c)

garage

d)

swamp

64.

an organism that eats or uses another organism

a)

biotic

b)

abiotic

c)

consumer

d)

producer

65.

What role do bobcats play in a forest food web?

a)

Bobcats break down dead plants and animals and return nutrients to the soil

b)

Bobcats are consumers of marmots and grouses

c)

Bobcats produce their own energy

d)

Bobcats are predators of grasses and berries

66.

Which type of organism is missing from this food web?

a)

Decomposer

b)

Predator

c)

Consumer

d)

Producer

67.

Based on the information in the food web, which of the following food chains shows one way energy flows in this ecosystem?

a)
b)
c)
d)
68.

Animals get the energy they need for growth and repair from–

a)

the action of muscles.

b)

protective coloration

c)

the food they eat

d)

avoiding predators

69.
What does a plant need to make its own food?
a)
sunlight, water, carbon dioxide
b)
sunlight, water, soil
c)
sunlight, water, oxygen
d)
sunlight, oxygen, carbon dioxide
70.
How do carnivores get their energy if they don't eat plants?
a)
It's a trick question, they do eat plants
b)
From the sun and water
c)
From the animals they eat that do eat plans
d)
From decomposers
71.
What are some examples of decomposers?
a)
earth worms, fungi, bacteria
b)
beetles, vultures 
c)
algae, phytoplankton
72.

What percent of Earth's freshwater is available for humans to use?

a)

less than 1

b)

97

c)

3

d)

79

73.

Most of Earth's surface is covered with water. Only 2.5% of Earth's global water is freshwater. Of all the freshwater on Earth, 78% is frozen. Where is most of Earth's water found?

a)

glaciers

b)

lakes

c)

oceans

d)

rivers

74.
Where is most of the freshwater found on Earth?
a)
lakes
b)
glaciers
c)
oceans
d)
rivers
75.
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
76.
This sphere includes the continents, the ocean floor, all the rocks on the surface, and all of the sand in the deserts. 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
77.
This sphere is composed of all the living things 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
78.
Composed of all the water on or near the earth
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
79.
Series of steps engineers use to guide them as they solve problems. 
a)
Engineer 
b)
Engineering design process
c)
Environmental Engineer 
d)
Erosion 
80.
When living things breathe, they interact with which of Earth's spheres? 
a)
Geosphere 
b)
Hydrosphere 
c)
Atmosphere 
d)
Biosphere 
81.
The practice of tilling sloped land along lines of consistent elevation in order to conserve rainwater and to reduce soil loss from surface erosion. 
a)
Mulch Farming
b)
Mixed Farming
c)
Arable Farming 
d)
Terrace Farming 
82.
Where is terrace farming used? 
a)
Asia 
b)
America 
c)
All over the world 
d)
China 
83.
Oceans, rivers, lakes, and the moisture in the air are all part of which of Earth's spheres? 
a)
Hydrosphere 
b)
Biosphere 
c)
Atmosphere 
d)
Geosphere 
84.
When a plants takes carbon dioxide from the air which two spheres are interacting? 
a)
Biosphere and atmosphere 
b)
Geosphere and atmosphere 
c)
Hydrosphere and atmosphere 
d)
Atmosphere and atmosphere 
85.
What is one reason terrace farming is used? 
a)
Helps prevent soil erosion 
b)
Certain crops need to be planted this way to grow
c)
Produces more crops 
d)
Easier for farmers 
86.

Which sphere is made up of all the physical elements of Earth's surface, crust, and interior?

a)

biosphere

b)

geosphere

c)

hydrosphere

d)

atmosphere

87.

The prefix "bio" comes from a Greek word that means what?

a)

Life

b)

Water

c)

Earth

d)

Ground

88.

What do we call FRESH water that lies beneath the Earth's surface?

a)

groundwater

b)

lake

c)

river

d)

spring

89.

Which of these answers describes Earth’s atmosphere?

a)

All living and once living things.

b)

The mixture of gasses that surrounds the earth.

c)

The mixture of nickle and iron below the earth's surface.

d)

All the fresh and salt water on the earth's surface.

90.

The loosening and carrying away of weathered materials from one place to another is called what?

a)

deposition

b)

weathering

c)

erosion

d)

condensation

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