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