Chapter 21 New Alternatives Study Guide
Carbon Neutral
Baseline Power
Peak Power
Solar
Ø active solar vs. passive solar
Ø photovoltaic (PV) cell
Ø Silicon
Wind
Ø Noise Pollution
Ø Bird Death
Ø Sight Pollution
Ø Turbine
Tidal
Ø Can affect coastlines
Ø ocean thermal energy conversion (OTEC)
Hydrogen
Ø Electrolysis
Ø Steam Reformation
Ø Requires Energy to Produce
Ø Using solar only way to be pollution free
Ø Fuel Cell
Ø Produces only water
Methane Hydrate
Ø Expensive to extract
Ø Climate change could release it
Geothermal Energy
Ø Iceland
Ø Only can be used in certain areas
Ø Can affect aquifer
Ø ground source heat pumps (GSHPs)
Quesions
Geothermal Power
1. Where does geothermal energy come from?
2. How can geothermal energy be used to cool a house or building?
3. Which country gets over 80% of its energy from geothermal energy?
4. What is a GSHP and what is it used for?
Solar
5. What is the difference between passive and active solar energy use?
6. Give an example of passive solar energy use.
7. What is photovoltaic solar energy?
8. What is the main drawback of solar power?
9. If sunlight is free, what accounts for most of the costs related to solar power?
Wind
10. Explain why the Sun is the ultimate source of energy for wind power?
11. List 3 environmental harms caused by wind power.
12. Besides environmental harms, what is the main drawback of wind power?
Hydrogen
13. What is the waste product of using hydrogen for energy?
14. How is hydrogen extracted?
15. When is hydrogen considered a fossil fuel?
Ocean/Tidal
16. Where does the energy in tides come from?
17. What are the environmental harms of harvesting tidal energy?
Methane Hydrate
18. What are methane hydrates?
19. How did methane hydrates form?
20. How does harvesting methane hydrates harm the environment?
Waste to Energy
21. List two ways energy can be derived from municipal solid waste.
22. What is the biggest environmental harm created by waste to energy generation?