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Lesson 1-Science
Matter and Energy in Earth's System
Term | Definition |
---|---|
atmosphere | thin envelope of gases- including nitrogen, oxygen, carbon dioxide, water vapor, dust particles- that forms Earth's outermost layer |
geosphere | most of Earth's mass in the form of rock and metal- includes the solid metal inner core, the liquid metal outer core, and the rocky mantle and crust |
hydrosphere | All of Earth's water, including water that cycles through the atmosphere |
cryosphere | the frozen component of the hydrosphere |
biosphere | The parts of Earth that contain all living organisms |
Energy | The ability to do work |
System | A group of parts that work together as a whole |
Feedback | A loop in which a signal or action triggers another signal or action |