Renewable Energy. Energy Terms Calorie (Cal) The amount of energy needed to raise the temperature of one gram of water one degree Celsius. One calorie.

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Presentation transcript:

Renewable Energy

Energy Terms Calorie (Cal) The amount of energy needed to raise the temperature of one gram of water one degree Celsius. One calorie equals joules or British thermal units (Btu). British thermal unit (Btu) 1. A unit of energy = 252 calories. 2. energy needed to raise T of 1 pound of H2O one degree F. Joule - A unit of energy. One joule equals calories. How many Btu? Watt – Rate of energy conversion. One watt equals one joule of energy per second. – Kilowatt: 1000 – Megawatt: 1,000,000 – Gigawatt: 1,000,000,000 – Terrawatt: 1,000,000,000,000

Solar FY4&feature=relmfu FY4&feature=relmfu cience_technology/solar_power/ cience_technology/solar_power/ All energy sources can track back to the sun.

Wind Power R0 uYs uYs Wind is caused by solar radiation differential heating

Superconductor cience_technology/maglev_trains/

Geothermal 8YI&feature=relmfu 8YI&feature=relmfu hDQ&feature=related hDQ&feature=related Geothermal heat… residual solar heat from earth’s origins

Wave Power 3Gw 3Gw Wave power … wind generated and/or tidal

Biodesel Wg Wg Clean burning alternative, uses sun’s energy processed by plants

Fuel Cells Vi0 Vi0

Research Subject Wind Solar Wave Hydro Fuel Cells Biodesel Geothermal

Research Expectations Groups of 3 Prepare 5-8 minute activity or lecture or demo – Technology: how does it work? – Applications: how can it be used? – Limitations: practical or technical reasons it isn’t widely used – Accessibility: can the average person use it? – Effectiveness: replacement time, waste produced? – Future: next generation applications, etc.