Energy Resources Earth Sci Ch. 26 The Amazing Mr. Batts Traditional sources of Energy Wood-fuel for heating and cooking Field crops and fecal material are also burned. Fossil Fuels Energy sources that formed over geologic time (millions of years) From decomposition and compression of organic matter Ex= coal, oil, natural gas, petroleum How oil forms Ocean Odyssey - Oil [www.keepvid.com].mp4 Ocean Odyssey - Oil [www.keepvid.com].mp4 Ocean Odyssey - Oil [www.keepvid.com].mp4 Alternative Energy Resources Hydroelectic Power - How it Works [www.keepvid.com].mp4 Hydroelectic Power - How it Works [www.keepvid.com].mp4 Hydroelectic Power - How it Works [www.keepvid.com].mp4 Geothermal Energy Process [www.keepvid.com].mp4 Geothermal Energy Process [www.keepvid.com].mp4 Geothermal Energy Process [www.keepvid.com].mp4 Solar Advantages: Will last forever Will last forever Free Free No pollution No pollution Disadvantages: Cant use at night, unless use batteries Cant use at night, unless use batteries Solar panels and installation are expensive Solar panels and installation are expensive Hydroelectric power Advantages: Neverending supply Neverending supply Nonpolluting Nonpolluting Disadvantages: Must be located near a river Must be located near a river Can flood large areas Can flood large areas Alters ecosystems Alters ecosystems Geothermal Energy Advantages: Abundant and reliable Abundant and reliable Disadvantages: When tapped, cooler water takes its place When tapped, cooler water takes its place Has minerals that can clog pipes Has minerals that can clog pipes Wind Energy Advantages: Unlimited energy source Unlimited energy source Wind farms can be built quickly Wind farms can be built quickly Nonpolluting, dont need water Nonpolluting, dont need water Disadvantages: Not steady winds in all areas Not steady winds in all areas Not attractive Not attractive Nuclear Energy Advantages: Dont produce CO 2 (clean energy) Dont produce CO 2 (clean energy) Little Uranium makes lots of energy Little Uranium makes lots of energy Disadvantages: Risk of nuclear accident Risk of nuclear accident High costs to built and operate High costs to built and operate Japan videos YouTube - Caught on Tape: Tsunami hits Japan port town YouTube - Caught on Tape: Tsunami hits Japan port town YouTube - Caught on Tape: Tsunami hits Japan port town YouTube - Scary footage: Tsunami waves raging, buildings burn after 8.9 Japan earthquake YouTube - Scary footage: Tsunami waves raging, buildings burn after 8.9 Japan earthquake YouTube - Scary footage: Tsunami waves raging, buildings burn after 8.9 Japan earthquake Biomass Advantages: Usually easy to find Usually easy to find Can use trees, grass, animal wastes Can use trees, grass, animal wastes Disadvantages: Produces CO 2 and particulates (smoke, ash) Produces CO 2 and particulates (smoke, ash) How can we use energy more efficiently? (student response) Cars, at home, at school, electricity, appliances, carpooling, insulation, Human impacts Ozone hole- CFCs Global warming Acid rain (pH less than 5.0; sulfur dioxides and nitrogen oxides Water Usage in the US 41% Agriculture 38% Power plant cooling 11% Industry 10% Public References Dung-resized.jpgDung-resized.jpgDung-resized.jpg ggg content/uploads/2008/09/sun_cme.jpgcontent/uploads/2008/09/sun_cme.jpgcontent/uploads/2008/09/sun_cme.jpg lar-panels-roof1.jpglar-panels-roof1.jpglar-panels-roof1.jpg