Earth's Atmosphere Worksheet
Explore the layers, composition, and importance of Earth's atmosphere with this comprehensive Grade 9 science worksheet.
Includes
Standards
Earth's Atmosphere
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Use the provided space for your responses.
1. Which gas makes up the largest percentage of Earth's atmosphere?
Oxygen
Carbon Dioxide
Nitrogen
Argon
2. In which layer of the atmosphere does most weather occur?
Stratosphere
Mesosphere
Thermosphere
Troposphere
3. The ozone layer is primarily found in the .
4. The measure of the amount of water vapor in the air is called .
5. Briefly explain the Greenhouse Effect and its importance to Earth's climate.
6. Label the layers of Earth's atmosphere in the diagram below:
A:
B:
C:
D:
E:
7. The exosphere is the outermost layer of Earth's atmosphere.
True
False
8. The ionosphere is a distinct layer of the atmosphere that reflects radio waves.
True
False
9. Describe at least three ways the Earth's atmosphere is essential for sustaining life on our planet.