Across
- 3. a subset of biomass.
- 5. generated when(PV)cells convert heat from the sun directly into electricity.
- 6. power generated using wind to make electricity.
- 9. and crude oil refining.
- 11. the best teacher ever!
- 13. generated when flowing water is used to make electricity.
- 14. formed from trees and plants in vast primeval forests, when heat and pressure turned decayed matter into coal.
- 15. generated by heat in the earth’s
Down
- 1. formed from plants & animals that lived millions of years ago.
- 2. produced from vegetable oils, animal fats, recycled restaurant greases to make energy.
- 4. fuel byproduct of chemically-mixing hydrogen and oxygen to produce electricity, water, and heat.
- 7. cannot be replaced as quickly as used.
- 8. ENERGY generated in reactors by splitting atoms.
- 9. produced as a byproduct from natural gas
- 10. GAS consists primarily of methane but includes significant quantities of other chemicals.
- 12. can be replenished at a rate to its use.