Across
- 3. semiconductor diode that converts light to energy
- 5. energy derived directly from living sources
- 9. the heating of a home by using the sun directly
- 11. a central building heating and cooling system that uses the consistent internal temperature of the earth
- 13. heating a home by using solar panels to capture the sun's energy
- 14. energy sourced from living or recently living organisms
Down
- 1. a cell producing energy directly from a chemical reaction
- 2. energy captured from tidal waves
- 4. a field with many windmill-like turbines
- 6. chemical decomposition occurring when electricity passes through an ionic liquid
- 7. internal heat of the earth
- 8. hydroelectric power
- 10. concentrated solar power
- 12. captures the energy of the wind, to create power