Across
- 3. the use of the sun's energy for the heating and cooling of living spaces
- 5. specialized semiconductor diode that converts visible light into direct current
- 8. uses mechanical and electrical equipment to enhance the conversion of solar energy to heat and electric power
- 11. the heat from from Earth
- 13. a fuel derived directly from living matter
- 14. a turbine having a large vaned wheel rotated by the wind to generate electricity
Down
- 1. a cell producing an electric current directly from a chemical reaction
- 2. Concentrated Solar Power
- 4. central building heating and/or cooling system
- 6. water creates energy that can be captured and turned into electricity
- 7. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
- 9. a form of hydropower that converts the energy obtained from tides into useful forms of power
- 10. when burned, this stored energy is released as heat
- 12. an area of land with a group of energy-producing windmills or wind turbines