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Earth

Total questions: 66

Worksheet time: 36mins

Name
Class
Date
1.
Which layers of Earth are mostly made of solid material?
a)
inner core and outer core
b)
crust and inner core
c)
crust and mantle
d)
mantle and outer core
2.
The inner core of Earth is solid because of the
a)
rate of rotation.
b)
extreme temperature.
c)
amount of pressure.
d)
magnetic field.
3.
Earth is made of different layers that have varying characteristics. Which is the thickest layer?
a)
the mantle
b)
the inner core
c)
the outer core
d)
the crust
4.

What is the direct cause of rising sea levels?

a)

Melting Sea Ice

b)

Melting Land Ice

c)

Climate Change

5.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
6.

Which of the following have been changed or altered due to climate change ?

a)

droughts

b)

flooding

c)

melting of polar ice caps

d)

all of the above

7.

The main human activity that releases greenhouse gases is

a)

using public transportation and there by reduce the affects of greenhouse gases.

b)

burning fossil fuels

c)

texting on cellphones

d)

eating meat

8.

Which of the following is contributing to an INCREASE in carbon dioxide in the atmosphere?

a)

deforestation

b)

photosynthesis

c)

oceans

d)

all of the above

e)

the loss of animal species

9.
 What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
10.
What gas from the list below is a cause for global warming?
a)
Urethane
b)
Oxygen
c)
Carbon Dioxide
11.
What do humans do that releases greenhouse gases into the atmosphere?
a)
Burn fossil fuels (like gas and coal)
b)
Build cement buildings
c)
Ride bikes and use solar energy
d)
Compete in the Olympics
12.
T/F: Water vapor is a greenhouse gas
a)
True
b)
False
13.
T/F: Some greenhouse gases are naturally present in the Earth's atmosphere
a)
True
b)
False
14.
Which of the following is an example of a greenhouse gas?
a)
Carbon Dioxide
b)
Nitrogen
c)
Oxygen
d)
Neon
15.
Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.
a)
water
b)
gases
c)
heat
d)
water vapor
16.
Which is a natural source of greenhouse gases?
a)
aerosols
b)
deforestation
c)
volcanic eruptions
d)
burning fossil fuels
17.
Which natural process removes carbon dioxide from the atmosphere?
a)
forest fires
b)
volcanic eruptions
c)
cellular respiration
d)
photosynthesis
18.
What is one way that carbon enters the atmosphere?
a)
Sunlight
b)
Vehicle emissions/Exhaust
c)
Ocean uptake
d)
Rain
19.

Oxygen is a gas produced by _ and used by _

a)

plants and animals

b)

photosynthesis and carbon dioxide

c)

animals and plants

d)

carbon dioxide and photosynthesis

20.
All of the carbon in existence is continually recycled in the carbon cycle
a)
True
b)
False
21.
Which of the following removes carbon from the atmosphere?
a)
Combustion
b)
Respiration
c)
Photosynthesis
d)
Death
22.
Organisms that do not decompose can be buried and become what?
a)
water
b)
nutrients
c)
air
d)
fossil fuels
23.

Plants use ____________ to make their own food

a)

Water

b)

Sunlight

c)

Carbon dioxide

d)

All of these

24.

Through the process of photosynthesis, plants pull CO2 from the air to make plant food for themselves.

a)

True

b)

False

25.

How do animals get carbon?

a)

By eating plants and or other animals.

b)

They absorb it from the atmosphere.

c)

From the ground

d)

They do not get carbon from anywhere.

26.

When humans EXHALE, we release __________________.

a)

Oxygen

b)

Carbon Dioxide

c)

Nitrogen

d)

Water

27.

Which of the following are fossil fuels?

a)

Coal, water, oil

b)

Oxygen, coal, oil

c)

Coal, Oil, Natural Gas

d)

None of the above

28.

Where can you find carbon?

a)

Only in Earth's atmosphere

b)

Inside all water molecules

c)

Inside the sun

d)

Inside every living thing on Earth

29.

What organisms in the ocean absorb the most carbon dioxide?

a)

Algae and marine plants

b)

Ocean mammals, like whales and dolphins

c)

Fish

d)

Coral

30.

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

a)

Increase

b)

Decrease

c)

Stay the same

31.

When humans burn fossil fuels, most of the carbon quickly enters the _______________________ as carbon dioxide.

a)

Water

b)

Atmosphere

c)

Sun

d)

Ground

32.

Carbon enters the soil through dead plant or animal matter.

a)

Decomposition

b)

Respiration

c)

Photosynthesis

d)

Diffusion

33.
What does NOT produce carbon dioxide?
a)
Photosynthesis
b)
Burning Fossil Fuels
c)
Animal respiration
d)
Plants decaying
34.
Combustion is another word for _______________.
a)
a train
b)
a bus
c)
a dog
d)
burning
35.

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

36.

What is underground molten rock?

a)

Lava

b)

Magma

c)

Soil

d)

Intrusive

37.

What is aboveground molten rock?

a)

Extrusive

b)

Magma

c)

Lava

d)

Sedimentary

38.

Limestone is an example of...

a)

Sedimentary

b)

Igneous

c)

Metamorphic

39.

Sandstone is an example of...

a)

Metamorphic

b)

Sedimentary

c)

Igneous

40.

Granite is an example of...

a)

Igneous

b)

Metamorphic

c)

Sedimentary

41.

Marble is an example of...

a)

Igneous

b)

Sedimentary

c)

Metamorphic

42.

Pumice is an example of

a)

Igneous

b)

Metamorphic

c)

Sedimentary

43.

Quartzite is an example of...

a)

Metamorphic

b)

Igneous

c)

Sedimentary

44.

Basalt is an example of...

a)

Igneous

b)

Sedimentary

c)

Metamorphic

45.

Obsidian is an example of...

a)

Igneous

b)

Sedimentary

c)

Metamorphic

46.

What is it called when layers pile up and press down on the material below?

a)

Compaction

b)

Layering

c)

Cementation

d)

I don't know

47.

What is the parent material of all rocks?

a)

Magma

b)

Lava

c)

Sedimentary

d)

Organic matter

48.

Clastic & non-clastic are 2 types of.....

a)

Sedimentary

b)

Igneous

c)

Metamorphic

49.

Intrusive & extrusive are 2 types of...

a)

sedimentary

b)

metamorphic

c)

Igneous

50.
A rock formed from fragments of other rocks is a(n)
a)
Metamorphic Rock
b)
Sedimentary Rock
c)
Extrusive Rock
d)
Igneous Rock
51.
An igneous rock containing large crystals is most likely a(n)
a)
Chemical Rock
b)
Foliated Rock
c)
Extrusive Rock
d)
Intrusive Rock
52.
As lava cools and crystallizes, what type of rock will form?
a)
Sedimentary
b)
Metamorphic
c)
Extrusive Igneous
d)
Intrusive Igneous
53.
Which of the following is not a rock
a)
Pumice
b)
Lava
c)
Halite
d)
Sandstone
54.
The three groups of rocks are classified by
a)
How they form
b)
Color
c)
Grain size
d)
Chemical Composition
55.
Fossils are only found in
a)
Sedimentary rocks
b)
Foliated Metamorphic rocks
c)
Igneous Rocks
d)
Nonfoliated Metamorphic rocks
56.

Is it recyclable?

a)

Yes

b)

No

57.

Is it recyclable?

a)

Yes

b)

No

58.

Is it recyclable?

a)

Yes

b)

No

59.

What is to recycle?

a)

To transform things into materials for new things

b)

to use something more than once

c)

use and produce less things

60.
Americans throw away how many plastic bottles every hour?
a)
2.5 million
b)
250 thousand
c)
25 thousand
d)
250 billion
61.
Recycling one ton of plastic bottles saves the equivalent energy usage of a two person household for how long?
a)
one year
b)
one day
c)
one week
d)
one month
62.

Select all the things below which are made from fossil fuels.

a)

Plastic bags

b)

Petrol

c)

Metal screws

d)

Pencils

63.

Fossil fuels are...

a)

... finite resources.

b)

... renewable resources.

64.

Select some benefits of recycling:

a)

Uses fewer limited resources.

b)

Uses less energy.

c)

Difficult to separate components of some materials.

d)

Makes less rubbish, which ends up in landfill sites.

65.

Recycling could help to prevent further increases in greenhouse gas level.

a)

True

b)

False

66.

Select ways in which mining can harm the environment.

a)

Destroys habitats

b)

Yields materials humans need

c)

Is an energy-intensive process

d)

Causes pollution

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