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Earth's Atmosphere: Composition & Layers

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

What gas makes up the majority of Earth's atmosphere?

a)

Nitrogen

b)

Oxygen

c)

Argon

d)

Helium

2.

Which is NOT a reason that Earth's atmosphere is important?

a)

It protects living things from ultraviolet radiation

b)

It burns up meteoroids which keeps them from hitting Earth

c)

It increases acid rain production

d)

It keeps Earth's surface a comfortable temperature and helps water to remain a liquid

3.

Compounds in Earth's atmosphere can change with time and location

a)

True

b)

False

4.

Which layer of Earth's atmosphere protects Earth's surface from meteors?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

5.

What layer does weather occur in?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

6.

This layer blends in with outer space

a)

Troposphere

b)

Mesosphere

c)

Exosphere

d)

Thermosphere

7.

This layer protects living things from UV radiation

a)

Troposphere

b)

Mesoshere

c)

Thermosphere

d)

Stratosphere

8.

Which layer contains the Aurora Borealis?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

9.

What layer do we live in?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

10.

The outermost layer of the thermosphere where artificial spacecraft and unmanned satellites are found is called the...?

a)

Troposphere

b)

Exosphere

c)

Ionosphere

d)

Mesosphere

11.

Put the layers in order starting at sea level

a)

Troposphere, Mesosphere, Stratosphere, Thermosphere

b)

Thermosphere, Mesosphere, Stratosphere, Troposphere

c)

Troposphere, Stratosphere, Mesosphere, Thermosphere

d)

Mesosphere, Stratosphere, Troposphere, Thermosphere

12.

In the troposphere, as altitude increases, pressure...

a)

decreases

b)

increases

c)

stays the same

13.

In the troposphere, as altitude increases, temperature...

a)

decreases

b)

increases

c)

stays the same

14.

Jet planes fly near the top of the troposphere. Which should you do to keep the passengers comfortable?

a)

Heat the cabin

b)

Cool the cabin

15.

Analyze the following chart. Which TWO layers get cooler as altitude increases?

a)

Troposphere

b)

Exosphere

c)

Ionosphere

d)

Mesosphere

16.

Why is it difficult to breathe at higher altitudes?

a)

There is less oxygen as altitude increases

b)

There is a large amount of carbon dioxide as altitude increases

c)

Gases in the atmosphere become thinner as altitude increases

d)

It is difficult to breathe cold air

17.

How do you feel like you did?

a)

I've got it and am ready to move on!

b)

I'm starting to understand but there's a few things I need clarified

c)

I have a lot of questions