Atmosphere Exploration
A Grade 9 science worksheet exploring the layers, composition, and phenomena of Earth's atmosphere.
Includes
Standards
Topics
Atmosphere Exploration
Name:
Date:
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Read each question carefully and answer to the best of your ability. Use the provided diagram to help you with certain questions.
Refer to the diagram below for questions 1-3.

1. Which layer of the atmosphere contains the ozone layer, which protects Earth from harmful UV radiation?
Troposphere
Stratosphere
Mesosphere
Thermosphere
2. In which atmospheric layer do most weather phenomena occur?
Mesosphere
Thermosphere
Troposphere
Exosphere
3. The outermost layer of Earth's atmosphere, where it gradually fades into space, is called the .
4. The two most abundant gases in Earth's atmosphere are and .
5. The atmospheric layer responsible for burning up most meteors before they reach Earth's surface is the .
6. Explain how the greenhouse effect is a natural process vital for life on Earth, but can also be enhanced by human activities.
7. The temperature in the stratosphere generally decreases with increasing altitude.
True
False
8. Air pressure increases as you go higher in the atmosphere.
True
False