Earth's Atmosphere
The Earth's atmosphere is a layer of gases that surrounds the planet and is held in place by the force of gravity. It is composed of several different gases, including nitrogen, oxygen, argon, and carbon dioxide, as well as trace amounts of other gases. The atmosphere plays a crucial role in supporting life on Earth by regulating the climate, protecting living organisms from harmful solar radiation, and providing the air we breathe.
Composition of the Atmosphere
The Earth's atmosphere is primarily composed of:
- Nitrogen (N2) - 78%
- Oxygen (O2) - 21%
- Argon (Ar) - 0.93%
- Carbon Dioxide (CO2) - 0.04%
- Trace Gases (neon, helium, methane, krypton, hydrogen, and more) -
[Earth's Atmosphere] Related Worksheets and Study Guides:
- Introduction to earth science Science • Sixth Grade
- Earth's freshwater and atmosphere Science • Fifth Grade
- Weather and Climate Science • Fourth Grade
◂Science Worksheets and Study Guides Sixth Grade. Earth's Atmosphere
The resources above cover the following skills:
EARTH AND SPACE SCIENCE
Earth’s Systems
Use models (e.g., diagrams, maps, globes, digital representations) to explain how the rotation of Earth and unequal heating of its surface create patterns of atmospheric and oceanic circulation that determine regional climates.
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