bbrancheau

Just another Edublogs.org weblog

ch 20 ?’s

March 31st, 2006 · No Comments
Uncategorized




  1. Use incandescent light bulbs, lower use of fuel used in homes, turn off lights when you leave the room, don’t leave water running, don’t do wash everyday.
  2. Net energy yield-from energy conservation devices is based on the total useful energy produced during the lifetime of an entire energy system minus the energy.
  3. Passive has no moving parts, active has a pump with heat absorbing fluid.
  4. Capture energy and convert it directly into electricity by separating electrons from their parent atoms.
  5. Devices that use ongoing electrochemical reactions to produce an electric current.
  6. These can lead to deforestation and air pollution
  7. Produced by anaerobic decomposition of moist organic material. Example a swap.
  8. Human displacement, ecosystem destruction, and wild life losses.
  9. Dung and charcoal.

Heat from the sun warmed upper layer is used to evaporate a working fluid which has a low boiling point , the pressure from the gas produced is high enough to spin turbines to generate electricity.

Create a free edublog to get your own comment avatar (and more!)