wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2 Review

Total questions: 48

Worksheet time: 54mins

Name
Class
Date
1.

Which is the process that breaks up rock on Earth’s surface?

a)

deposition

b)

melting

c)

compaction

d)

weathering

2.

Geologists have classified rocks into three major groups of rocks which are:

a)

inorganic, organic and chemical rocks

b)

igneous, sedimentary and metamorphic rocks

c)

metamorphic, chemical and non chemical rocks

d)

sedimentary, inorganic and igneous rocks

3.

Any rock that forms from another rock as a result of changes in heat or pressure (or both) is a:

a)

chemical rock

b)

igneous rock

c)

sedimentary rock

d)

metamorphic rock

4.

A rock that forms from many small fragments of other rocks is a(n)

a)

igneous rock

b)

metamorphic rock

c)

sedimentary rock

d)

extrusive rock

5.

The process by which metamorphic rock changes to igneous rock begins with

a)

melting

b)

erosion

c)

deposition

d)

crystallization

6.

The element of carbon is a substance composed of

a)

many particles

b)

only carbon atoms

c)

a crystal arrangement

d)

many layers

7.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
8.
What is the energy source for the water cycle?
a)
the sun
b)
the earth
c)
water
d)
the moon
9.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
10.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
11.
Precipitation occurs because 
a)
the droplets evaporate in the air
b)
the droplets are too light for the air to hold
c)
the droplets are too heavy for the air to hold
12.

What percentage of Earth’s water is freshwater?

a)

75%

b)

97%

c)

3%

d)

1%

13.

Where is most water found on Earth?

a)

glaciers

b)

oceans

c)

rivers

d)

lakes

14.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
15.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
16.

What is it called when WATER is FORMED from an LIQUID to a WATER VAPOR Oor an [GAS]?

a)

EVAPORATION

b)

PRECIPITATION

c)

TRANSPIRATION

17.
Which stage does the #2 show in the diagram?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
18.
Which stage does the #3 show in the diagram?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
19.
The water cycle has no start or end
a)
true
b)
false
20.

________________________ is part of the air, rocks, soil, and all living things.

a)

Nitrogen

b)

Carbon

c)

Water

d)

Silver

21.

When humans EXHALE, we release ____________________.

a)

Oxygen

b)

Nitrogen

c)

Water

d)

Carbon Dioxide

22.

What is CO2?

a)

Carbon Monoxide

b)

Carbon Dioxide

c)

Carbon Trioxide

d)

Oxygen

23.

Which of the following are fossil fuels?

a)

Coal, Water, Oil

b)

Oxygen, Coal, Oil

c)

Coal, Oil, Natural Gas

d)

None of these

24.

Where can you find carbon?

a)

Only in the Earth's atmosphere.

b)

Inside all water molecules.

c)

Inside the sun.

d)

Inside every living thing on Earth.

25.

What are fossil fuels made from?

a)

Plants and animals that are buried underground for millions of years.

b)

They absorb it from the atmosphere.

c)

Water

d)

Wind

26.

Plants use _______________________ to make their own food.

a)

Carbon Dioxide

b)

Oxygen

c)

Materials

d)

Gravity

27.

If the plant population decreased, the amount of carbon in the atmosphere would ____________________.

a)

Increase

b)

Decrease

c)

Stay the same

28.

Carbon dioxide is a gas produced by ___________________ and used by _________________

a)

Plants and Animals

b)

Carbon and Photosynthesis

c)

Animals and Plants

d)

Photosynthesis

29.

Which type of rock is formed from the solidification of magma or lava?

a)

igneous

b)

sedimentary

c)

metamorphic

d)

bioclastic

30.

Where is magma located?

a)

above ground

b)

below ground

c)

in the stratosphere

d)

in the thermosphere

31.

Where is lava located?

a)

above ground

b)

below ground

c)

in the core

d)

in the mantle

32.

What is the water cycle?

4 lines
33.
what does the #4 show in the diagram?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
34.
Combustion is another word for _______________.
a)
a train
b)
a bus
c)
a dog
d)
burning
35.
How do living organisms return carbon to the atmosphere in the carbon cycle?
a)
respiration and photosynthesis
b)
 decomposition and respiration
36.

The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms is called _____________.

a)

the Carbon Cycle

b)

the Oxygen Cycle

c)

the Carbon dioxide Cycle

d)

the Water Cycle

37.

Carbon is used in the process called __________ by plants and algae to make food and the building blocks for growth.

a)

carbon cycle

b)

life

c)

photosynthesis

d)

decomposition

38.
What is a large ocean wave that results from an underwater earthquake, landslide, or volcanic eruption?
a)
Aftershock
b)
Liquefaction
c)
Seismic Gap
d)
Tsunami
39.

The place where the earthquake is felt on the Earth's surface is called the...

a)

Epicenter

b)

Hypocenter (focus)

c)

Surface

d)

Crust

40.
Many earthquakes happen along the borders of...
a)
Countries
b)
Tectonic Plates
c)
Climate Zones
d)
None of the above.
41.
Which ocean in the world is also known as the "Ring of Fire"
a)
Atlantic
b)
Indian
c)
Arctic
d)
Pacific
42.
What can start a wildfire?
a)
a campfire
b)
lightning 
c)
heat
d)
all of the above
43.

When and where is a wildfire most likely to happen?

4 lines
44.

If a wild fire is started in a forest, how will the fire affect the carbon cycle?

4 lines
45.

If there is too much runoff in the water cycle what happens? (there are multiple right answers)

4 lines
46.

How is the sun important to the carbon and water cycles?

4 lines
47.

Which tectonic plate boundary causes most earthquakes?

4 lines
48.

How do humans impact the carbon cycle? (both positively and negatively, fulls sentances)

4 lines