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Unit 3 Review. Callie Davis. Where does carbon come from?. Can we recycle…. Matter? Energy? Both?. Photosynthesis. Explain. 1 st Law of Thermodynamics. Energy Input Energy Output. Types of Energy. Chemical Nuclear Mechanical Electrical Thermal. Nitrogen Cycle.
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Unit 3 Review Callie Davis
Can we recycle…. • Matter? • Energy? • Both?
Photosynthesis • Explain
1st Law of Thermodynamics • Energy Input • Energy Output
Types of Energy • Chemical • Nuclear • Mechanical • Electrical • Thermal
Nitrogen Cycle • Whose the most important?
Why can’t plants & animals use the nitrogen gas in the atmosphere?
Why does it take more energy to keep a bear alive than a rabbit?
Carbon Cycle • Review the Carbon Cycle Activity we did in class. (I handed the papers back on Thurs. in class) • Focus on the questions, especially #1 & #2 • How Carbon travels