1. Alternative Energy 5.3 Great website… http://www.eia.doe.gov/kids/energy.cfm ?page=solar_home- basics#solar_environment-basics

2. Wind Energy http://www.ei a.doe.gov/kid s/energy.cfm ?page=wind_ home-basics- k.cfm

3. Wind energy…how it works Wind blows across windmill Windmill turns Energy goes to generator to make electricity

4. Wind energy + - Good –No air or water pollution –Wind blows constantly inn many places Problems –Can not be used everywhere (no wind) –Birds can fly into them and get hurt

5. Wind energy…used in… California Texas Iowa Minnesota Washington Germany Spain China

6. Hydroelectric

7. Hydroelectric + - Good –No air pollution –Helps control flooding downstream Problems –Fish can not migrate…fish ladders are put in –Floods areas where people were living

8. Tidal energy

9. Wave energy

10. Waves West coast of USA Japan New Zealand

11. Geothermal

12. Geothermal + - Good –Costs less to operate –No air pollution Problems –No “hot spots” in all areas of the world

13. Photovoltaics…solar panels

14. Photovoltaics + - Good –No pollution –Use space that isn’t used for anything else Problems –Not sunny all of the time

15. Photovoltaic NC California Germany Europe

16. Solar Hot Water

17. Solar hot water + - Good –Costs less to make hot water –No pollution Problems

18. Solar hot water USA Europe Central America …any place where it is sunny!

19. Homework Read pages 134 - 141

20. Output Sketch a house and show what alternative energy sources you could use if you have unlimited $$$!