Science 6 Lesson 1 Matter and Energy in Earth's System Flashcards
1
Q
Atmosphere
A
The relatively thin layer of gases that forms Earth’s outermost layer.
2
Q
Geosphere
A
The densest parts of Earth, including the crust, mantle, and core.
3
Q
Hydrosphere
A
The portion of Earth that consists of water in any of its forms, including oceans, glaciers, rivers, lakes, groundwater and water vapor.
4
Q
Cryosphere
A
The portion of the hydrosphere that is frozen including all the ice and snow on land, plus sea and lake ice.
5
Q
Biosphere
A
The parts of Earth that contain living organisms.
6
Q
Energy
A
The ability to do work or cause change.
7
Q
System
A
A group of parts that work together as a whole.
8
Q
Feedback
A
A loop in which a signal or action triggers another signal or action.