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Worksheets

Earth and Space

Total questions: 15

Worksheet time: 4mins

Name
Class
Date
1.

What part of the stratosphere that shields the Earth from harmful UV rays?

a)

stratopause

b)

ozone layer

c)

stratoshield

d)

stratosphere

2.

What layer of the atmosphere is considered as the hottest region?

a)

thermosphere

b)

troposphere

c)

stratosphere

d)

exosphere

3.

In this layer, pilots took advantage of the horizontal wind to fly their aircraft, and at the same time avoid weather disturbances.

a)

troposphere

b)

thermosphere

c)

mesosphere

d)

stratosphere

4.

Through the ionosphere, it reflects long electromagnetic waved back to Earth, making what kind of communication?

a)

radio

b)

microwave

c)

gamma ray

d)

x-ray

5.

How many in a percent does the abundance of nitrogen contain in the atmosphere?

(a)  

6.

Which of the following is the correct order of the layers of the atmosphere?

a)

Stratosphere, Thermosphere, Mesosphere, Troposphere, Exosphere

b)

Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere

d)

Thermosphere, Stratosphere, Mesosphere, Troposphere, Exosphere

7.

What are the 2 elements that are primarily composed in the Exosphere?

(a)  

8.

Where ALL weather takes place.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

9.

Meteors burn up in this layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

10.

Where satellites orbit.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

11.

Greatest air pressure because it has the most molecules.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

12.

Auroras and Northern Lights occur here.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

13.

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

14.

What layer of the atmosphere has the lowest air pressure?

a)

Troposphere

b)

Stratosphere

c)

Exosphere

d)

Mesosphere

15.

The layers of the atmosphere are classified according to changes in

a)

temperature and air pressure

b)

altitude and air quality

c)

humidity and temperature

d)

air pressure and oxygen