Earth's Atmosphere Worksheet
An engaging worksheet for 8th-grade science students focusing on the layers, composition, and importance of Earth's atmosphere.
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Earth's Atmosphere Worksheet
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which layer of the atmosphere is closest to Earth's surface and where most weather occurs?
Stratosphere
Troposphere
Mesosphere
Thermosphere
2. The ozone layer, which protects Earth from harmful UV radiation, is found in which atmospheric layer?
Troposphere
Stratosphere
Mesosphere
Exosphere
3. The two most abundant gases in Earth's atmosphere are and .
4. The is the outermost layer of the atmosphere, where it gradually fades into space.
5. The atmospheric layer that contains the ionosphere, which is important for radio communication, is the .
6. Briefly explain the importance of Earth's atmosphere for life on our planet.
7. Label the layers of Earth's atmosphere on the diagram below:

8. The temperature generally decreases as you go higher in the stratosphere.
True
False
9. Auroras (Northern and Southern Lights) occur in the thermosphere.
True
False
Match the atmospheric layer with its primary characteristic.
10. Troposphere
a. Contains the ozone layer
11. Stratosphere
b. Where meteors burn up
12. Mesosphere
c. Where most weather occurs
13. Thermosphere
d. Extremely hot, but feels cold