Exploring Earth's Atmosphere
A Grade 4 science worksheet focusing on the layers and composition of Earth's atmosphere, its importance, and atmospheric phenomena.
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Exploring Earth's Atmosphere
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Read each question carefully and answer to the best of your ability. Good luck!
1. The Earth is surrounded by a blanket of air called the .
2. Most of the air we breathe is made up of and oxygen.
3. The atmosphere helps to protect us from harmful rays from the .
4. Weather happens in the lowest layer of the atmosphere, called the .
5. Which layer of the atmosphere is closest to Earth's surface?
Stratosphere
Mesosphere
Troposphere
Thermosphere
6. Which layer contains the ozone layer, which protects us from ultraviolet radiation?
Troposphere
Stratosphere
Mesosphere
Exosphere
7. Label the layers of the atmosphere in the diagram below.

8. Explain in your own words why the Earth's atmosphere is important for living things.
9. The air in the atmosphere is made up of only one type of gas.
True
False
10. The troposphere is the coldest layer of the atmosphere.
True
False