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Unit 10 Lesson 1
Lesson 1 Vocabulary
Word | Definition |
---|---|
Earth System | All non-living things, living things, and process that make up planet Earth, including the solid Earth, the hydrosphere, atmosphere and biosphere. |
Geosphere | The mostly solid, rocky part of Earth; extends from the center of the core to the surface of the crust. |
Hydrosphere | The portion of Earth that is water. |
Cryosphere | One of the earth's spheres where water is in solid form, including snow cover, floating ice, ice caps, ice sheets, and frozen ground permafrost. |
Atmosphere | A mixture of gases that surrounds a planet, moon, or other celestial body. |
Biosphere | The part of Earth where life exists; includes all living organisms on Earth. |