Across
- 3. the source of solar power
- 6. cell that produces electrical energy from solar energy
- 7. power which is produced by chemical or physical resources
- 8. solar power is a type of _______ energy
- 10. a unit of electrical energy
- 12. environmentally friendly, will not die out
Down
- 1. the emission of energy as electromagnetic waves
- 2. exposure to sun rays
- 4. a branch of physics which studies the conversion of different energy forms
- 5. a flat plane who's purpose is to absorb sun rays and convert them to electricity
- 9. the smallest compound of an element
- 11. a phenomenon which can produce light, heat, and power