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Layers of the Atmosphere

Total questions: 20

Worksheet time: 36mins

Name
Class
Date
1.

78% of the Earth's atmosphere is ___________ and 21% of the Earth's atmosphere is _____________.

a)

Oxygen, Nitrogen

b)

Nitrogen, Oxygen

c)

Nitrogen, Carbon Dioxide

d)

Oxygen, Carbon Dioxide

2.

In what layer of the atmosphere do all weather events occur?

a)

Stratosphere

b)

Exosphere

c)

Mesosphere

d)

Troposphere

3.

As altitude increases, air pressure....

a)

Increases

b)

Decreases

c)

Stays the same

d)

Goes up and down

4.

Why is the ozone layer vital to life on Earth?

a)

Planes fly in the ozone layer

b)

It is made up of oxygen (O2)

c)

It shields the Earth from ultraviolet (UV) rays from the sun

d)

It causes clouds to be created

5.

This layer is the hottest layer of the atmosphere?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

6.

This layer is the outermost layer of the atmosphere. Satellites orbit the atmosphere in this layer.

a)

Exosphere

b)

Mesosphere

c)

Thermosphere

d)

Ozone Layer

7.

What is the order of the layers of the atmosphere, starting with the layer closest to Earth's surface?

a)

Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere

b)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere

d)

Troposphere, Stratosphere, Thermosphere, Exosphere, Mesosphere

8.

What layer of the atmosphere has the lowest air pressure?

a)

Troposphere

b)

Stratosphere

c)

Exosphere

d)

Mesosphere

9.

What layer of the atmosphere has the highest air pressure?

a)

Troposphere

b)

Stratosphere

c)

Exosphere

d)

Mesosphere

10.

Which explanation correctly describes the greenhouse effect?

a)

The process of the atmosphere keeping the Earth's surface dense

b)

The process of the atmosphere trapping the sun's radiation, and making the Earth warm and livable for humans

c)

The process of the atmosphere keep us from floating into space

d)

The process of the atmosphere reflecting all of the Sun's heat back into space

11.

Contains the Ozone Layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

12.

Where ALL weather takes place.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

13.

Located CLOSEST to Earth's surface.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

14.

Meteors burn up in this layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

15.

Coldest layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

16.
What does the earth's atmosphere do?
a)
Helps to regulate the temperature on Earth
b)
Helps UV rays to reach the Earth's surface
c)
Creates meteors in the sky
d)
Keeps ocean waters cold
17.
The Earth acts like a greenhouse that catches and traps heat from the sun.
a)
true
b)
false
18.
What happens to the temperature if more greenhouse gases are released into the atmosphere?
a)
Temperature goes up
b)
Temperature goes down
19.
Without the Greenhouse Effect the Earth would be
a)
warm 
b)
cold
c)
dead
20.
Which pie chart correctly shows the percentages of elements in the air?
a)
a
b)
b
c)
c
d)
d