Energy. 8 th Grade. Energy REVIEW. What is energy?. Energy – the ability to do work Potential – stored energy Kinetic – energy of motion Energy can change from one form to another. Energy can change from one type to another – Energy cycle. Conversions of Energy p.130.
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How does passive solar energy work?
How does solar energy create electricity?
You are a carbon atom. You will track your movement through the carbon cycle as you move between the lithosphere, atmosphere, biosphere, and hydrosphere.
How is the greenhouse effect related to energy?
Our atmosphere acts like a blanket that insulates Earth and keeps it warm
Without any greenhouse effect, Earth’s average temp would be OoF instead of 57 oF
CO2 – carbon dioxide
CH4 – methane
N2O – nitrous oxide
CFCs – chlorofluorocarbons
2. Earth’s temp changes
3. It would be very cold – zero degrees
CH4 – methane – staying the same
N2O – nitrous oxide - increasing
CFC 12 – chlorofluorocarbons - decreasing
CFC 11 – chlorofluorocarbons - decreasing
CO2 – carbon dioxide – increasing
Halocarbons – CClFI – staying the same
10. CO2, N2O
11. CH4, halocarbons, CFCs