Across
- 1. compact fluorescent lamp or bulb
- 4. any material that can be burned to make energy
- 5. an energy storage device
- 7. a supply of power
- 10. one thousand units of electrical power
- 12. energy produced by the internal heat of the Earth
- 14. produce energy
- 15. energy that comes from water in vapor form
- 16. term for energy made from clean, renewable, resources
- 18. able to work well without wasting energy
Down
- 1. producing the least pollution
- 2. a unit of electrical power
- 3. power generated from moving water
- 6. electromagnetic energy transmitted from the Sun
- 8. a natural material
- 9. organic matter which is available on a renewable basis
- 11. machine to create wind energy
- 13. the energy of moving electrons
- 17. to prevent waste or loss of energy