Across
- 7. A resource that has a theoretically unlimited supply and is not depleted when used by people.
- 8. A source of energy that has a finite supply capable of being exhausted.
- 10. Uses the rise and fall of tides to convert kinetic energy
- 11. Concentration of waste added to air, water
- 12. harvests the energy of the sun
- 13. is a hydrocarbon-containing material formed underground from the remains of dead plants and animals
- 14. Generation of electricity using flowing water
Down
- 1. cells produce electricity by combining hydrogen and oxygen atoms
- 2. plant or animal material used as fuel to produce electricity or heat
- 3. is produced by the up and down motion of floating devices placed on the surface of the ocean.
- 4. large turbines to take available wind as the power to turn
- 5. The separation, collection, processing, marketing, and reuse of unwanted material.
- 6. The energy is created through a specific nuclear reaction
- 9. Energy that is produced from beneath the earth.