Across
- 4. can be used to power cars
- 5. energy produced from the sun
- 6. same energy as 3 barrels of oil and a ton of coal
- 9. if one bulb goes out they all do
- 10. powered by moving air
Down
- 1. built over hot water reservoirs
- 2. chemical energy from the plants and sun
- 3. powered by moving water
- 7. Fossil energy source formed int he earths crust
- 8. creates an open switch to atop electrical flow