energy sources

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Across
  1. 4. -not capable of being replenished.
  2. 5. -a natural fuel made from the remains of living organisms.
  3. 8. -prevention of wasteful use of a resource.
  4. 9. - radioactive elements
  5. 10. -convert (waste) into reusable material
  6. 11. -radiant light and heat that is harnessed from the Sun.
  7. 13. - hurting the environment
Down
  1. 1. -Water released from behind the dam flows through a turbine
  2. 2. - include leaves, plants such as and manure.
  3. 3. -use again or more than once
  4. 6. - intense heat from Earth's interior
  5. 7. - are naturally replenished and do not run out.
  6. 10. -make smaller or less in amount
  7. 12. -resource is created by wind turbines.