Across
- 5. The energy that we get from the sun
- 7. Layer of air gases that surround the earth
- 8. Electric device that changes the voltage of electricity
- 9. Heat that travels in rays at the speed of light
- 10. Form of energy
Down
- 1. Measure of how fast energy is produced or used up
- 2. Material that is produces electricity from light
- 3. Able to replace overtime
- 4. The device that produces electricity when light falls on it
- 6. Flow of electric charge around an electric current