Sources of Energy Crossword
Across
- 3. ____________ fuels: coal, oil, natural gas are made from the remains of ancient living things
- 5. The law of conservation of __________________ states that energy is never created or destroyed
- 6. ________________ resources: Safer sources of energy such as solar energy, wind, and geothermal energy
- 10. Energy is never created or destroyed it can only change ____________
- 11. Most power plants in the united states burn this fossil fuel to generate electricity
- 13. A device that transforms kinetic energy into electrical energy
- 14. ______________ resource: An energy source that is replenished (replaced) continually
- 15. A windmill converts the kinetic energy of the wind to electrical energy
- 16. ___________ plants: The "factories" that provide the electricity we use in our everyday life
Down
- 1. About 20% of the power plants in the U.S. generate ____________ power by breaking apart uranium atoms
- 2. A device that transforms radiant energy directly into electrical energy
- 4. Transforming the potential energy of water that is trapped behind a dam
- 7. A device with narrowly spaced fan blades that turns the generator in power plants
- 8. ________________ resource: An energy source that is used up much faster than it can be replaced
- 9. ______________ energy: Using the sun's energy directly through thermal or photovoltaic panels
- 12. Almost all the energy that is used in the world starts from the energy of the ________