Chapter 18 Renewable Energy

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Across
  1. 1. Wind ____________ are devices that convert the wind's kinetic energy, or energy of motion, into electrical energy.
  2. 4. The breakdown of waste in landfills produces ________.
  3. 7. About ___________% of US energy comes from renewable energy
  4. 9. Deep beneath the surface of Earth, high pressure combined with the breakdown of radioactive elements produce heat. The heat is ______ energy.
  5. 10. Liquid fuels from biomass sources are known as _________.
  6. 11. Generate electricity and send it to an inverter, which allows the electricity to be used in your home.
  7. 13. ________ Energy is energy produced from the movement of air.
  8. 14. Renewable Energy Resources are sometimes called ____________ energy resources.
  9. 15. The __________ provides energy for almost all life processes on Earth, from the reproduction of tiny bacteria to the opening of a flower bud.
Down
  1. 2. Electricity that is generated by the combustion of biomass is called _________.
  2. 3. We use the kinetic energy of moving water to turn turbines and generate electricity.
  3. 5. _________ energy refers to using the movement of tidal water to generate electricity.
  4. 6. _____________ Energy is energy from a source that is not depleted when used.
  5. 8. _______ Energy is energy generated from photons emitted by the sun.
  6. 12. ___________ Energy is energy that is produced from the matter of dead or living organisms.