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Matter & Energy in Earth's System
Vocabulary
8
Science
6th Grade
01/29/2025

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Term
atmosphere
Definition
The relatively thin layer of gases that form Earth's outermost layer.
Term
biosphere
Definition
The parts of Earth that contain living organisms.
Term
geosphere
Definition
The densest parts of Earth that include the crust, mantle, and core.
Term
hydrosphere
Definition
The portion of Earth that consists of water in any of its forms, including oceans, glaciers, rivers, groundwater and water vapor.
Term
cryosphere
Definition
The portion of the hydrosphere that is frozen, including all the ice and snow on land, plus sea and lake ice.
Term
energy
Definition
The ability to do work or cause change.
Term
system
Definition
is a group of interacting parts that function as a whole.
Term
feedback
Definition
refers to how one part of the system affects another, and then how that change circles back to influence the original part.
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