Across
- 2. getting the same result from using a smaller amount of energy
- 6. having a large vaned wheel rotated by the wind to generate electricity.
- 7. used as substitutes for gasoline and diesel fuel.
- 9. the greatest quantity of energy used at any one time.
- 11. customers pay a low rate for the first increment of electricity they use and pay higher rates as their use goes up.
- 12. water is held behind a dam and runs through a channel before returning to the river.
- 13. used to heat homes throughout the world.
- 14. process by which electric current is passed through a substance to effect a chemical change
- 17. Intense heat from Earth’s interior use to generate energy
- 19. is a direct substitute for petroleum-based fuel.
- 20. capturing the energy of sunlight with the use of a pump or photovoltaic cell and generating electricity.
Down
- 1. finding ways to use less energy. For example, lowering your thermostat during the winter or driving fewer miles.
- 3. electricity generated by the kinetic energy of moving water. This is the second most common form of renewable energy in the world
- 4. using a wind turbine to convert kinetic energy into electrical energy.
- 5. can run on both gasoline and E-85
- 8. water is stored behind a dam and the gates of the dam are opened and closed controlling the flow of water.
- 10. is an alcohol 90% of ethanol produced in the US comes from corn
- 15. the movement of water is driven by the gravitational pull of the Moon
- 16. can lower your electricity bill without the need for pumps or other mechanical devices.
- 18. a device that operates like a common battery where electricity is generated by a reaction between two chemicals.