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Matter and Energy
Topic One, Lesson 1: Matter and Energy in Earth's System
Term | Definition |
---|---|
atmosphere | the relatively thin layer of gases that form Earth's outermost layer. |
geosphere | the densest parts of Earth that include the crust, mantle, and core. |
hydrosphere | the portion of Earth that consists of water in any of its forms, including oceans, glaciers, rivers, lakes, groundwater, and water vapor. |
cryosphere | the portion of the hydrosphere that is frozen, including all the ice and snow on land, plus sea and lake ice. |
biosphere | the parts of Earth that contain living organisms. |
energy | the ability to do work or cause change. |
system | a group of parts that work together as a whole. |
feedback | information that results in a change in a system. |