Across
- 2. cells producing an electric current directly from a chemical reaction
- 5. an area of land with a group of energy-producing windmills or wind turbines.
- 7. systems that use mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area.
- 9. use of mechanical and electrical equipment to enhance the conversion of solar energy to heat and electric power.
- 10. the heating space that utilizes the design of the house or building so as trap solar heat when necessary.
- 13. A fuel derived directly from living matter.
- 14. specialized semiconductor diode that converts visible light into direct current.
Down
- 1. chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
- 3. central building heating and/or cooling system that takes advantage of the relatively constant year-round ground temperature to pump heat to or from the ground.
- 4. a turbine having a large vaned wheel rotated by the wind to generate electricity.
- 6. a form of energy generated by the conversion of free-falling water to electricity.
- 8. Energy derived from the heat of the earth.
- 11. Renewable energy source from living or recently living plant and animal materials which can be used as fuel
- 12. form of hydropower that converts the energy of the tides into electricity or other useful forms of power.