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Unit 2 Exam

Total questions: 40

Worksheet time: 32mins

Name
Class
Date
1.
Where does most of earth`s energy come from?
a)
The sun
b)
Mars
c)
Wind
d)
Water
2.
what is a non renewable resource?
a)
water
b)
wind
c)
coal
d)
biomass
3.
Non-Renewable resources are also known as what?
a)
Fossil Fuels
b)
Renewable
c)
Solar Energy
d)
Hydroelectric Energy
4.
Which of the following is a nonrenewable resource?
a)
Water
b)
Oxygen
c)
Wood
d)
Oil
5.
__________ is an energy resource that WILL NOT run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
6.
Hyrdo Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
7.
Solar Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
8.
__________is the energy created by wind turning wind turbines.
a)
Geothermal
b)
Hydro
c)
Wind
d)
Nuclear
9.

__________uses heat from the interior of the Earth.

a)

Solar

b)

Geothermal

c)

Nucler

d)

Wind

10.
Dams are built to harness the power of this renewable resource.
a)
Sun
b)
Wind
c)
Water
d)
Geothermal
11.
Trees, crops, garbage, & landfill gas are all examples of 
a)
Energy
b)
Biomass
c)
Heat
d)
Nuclear waste
12.
Which layer is the OUTER CORE?
a)
1
b)
2
c)
3
d)
4
13.
Which layer is the MANTLE?
a)
1
b)
2
c)
3
d)
4
14.

The Earth's core is made up of which 2 metals?

a)

Iron and Nickel

b)

Iron and Bronze

c)

Nickel and Steel

d)

Iron and Steel

15.

The correct order of the Earth's layers starting from the OUTSIDE going IN is

a)

crust, inner core, mantle, outer core

b)

mantle, outer core, inner core, crust

c)

crust, mantle, outer core, inner core

d)

inner core, outer core, mantle, crust

16.

Which layer can be compared to the shell of a hard-boiled egg?

a)

crust

b)

mantle

c)

outer core

d)

inner core

17.

The movement of continents over millions of years was first called ____.

a)

Continental Drift

b)

Island Formation

c)

Continent Building

d)

Volcanic Eruptions

18.

The theory that explains the formation and movement of Earth's plates is called ____.

a)

The Pangaea Theory

b)

The Wide World Theory

c)

The Theory of Plate Tectonics

19.
When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.
a)
Water
b)
Atmosphere
c)
Sun
d)
Air
20.
Carbon dioxide is produced by the burning of fossil fuels
a)
True
b)
False
21.

_____________ is an essential element of all living creatures.

a)

Gold

b)

Carbon

c)

Carbon dioxide

d)

Silver

22.

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

23.

Which gas do animals release, that plants depend on for survival?

a)

Carbon dioxide

b)

Oxygen

c)

Sunlight

d)

Water

24.

Over ________________ of years, once-living matter that remains in the ground can transform into fossil fuels.

a)

millions

b)

hundreds

c)

thousands

d)

a few handful

25.
How old do Paleontologists believe the Earth is?
a)
2015 years old
b)
3.6 billion years old
c)
4.6 billion years old
d)
4.6 million years old
26.
What type of rock do fossils form in?
a)
Igneous
b)
Sedimentary
c)
Metamorphic
d)
Classic
27.
Paleozoic, Mesozoic & Cenozoic are all
a)
Epochs
b)
Eras
c)
Periods
d)
Eons
28.
The diagram shows layers of sedimentary rock and examples of the fossils each layer contains, Which layer contains the oldest fossils? 
a)
A. Layer 2
b)
B. Layer 4
c)
C. Layer 1
d)
D. Layer 3
29.
What does not produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
30.

All of the carbon in on our planet is continually recycled in the carbon cycle

a)

True

b)

False

31.

Carbon may be stored for extended periods of time in what?

a)

Earths core

b)

Carbon sinks

c)

Carbon drains

32.

Forest fires and volcanoes are examples of what?

a)

Releasing agents

b)

Carbon sinks

c)

Carbon cycle

33.

Since the mid- 1800's, _____________ activity has significantly altered the carbon cycle.

a)

animal

b)

plant

c)

unknown

d)

human

34.

You might think that carbon trapped deep in Earth's crust (lithosphere) would be locked there forever, but in fact this carbon dioxide can be released through:

a)

volcanoes

b)

melting ice caps

c)

earthquakes

d)

hurricanes

35.
Is solar energy a renewable or a non-renewable source of power?
a)
Renewable
b)
Non-renewable
c)
Half/Half of both
d)
Neither
36.
Why is solar energy considered a renewable energy source?
a)
You can get money back from the government if you put solar panels on your house
b)
Solar energy is cheaper than fossil fuels
c)
The sun's energy will not run out for billions of years
d)
Solar energy can be used to recharge batteries
37.
1. What is it called when you generate electricity with a dam and water?
a)
Geothermal Energy
b)
Hydroelectric energy
c)
Radiation energy
38.
2. What is it called when humans generate electricity by using the heat of the Earth?
a)
Geothermal Energy
b)
Hydroelectric Energy
c)
Radiation Energy
39.

An example of a biomass fuel would be:

a)

Wood

b)

Plastic

c)

Fossil Fuel

d)

All of these

40.

The correct answer to this question is, True! (Don't get this one wrong...)

a)

True

b)

False

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