types of energy

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Across
  1. 2. is a type of energy that cant be replenished
  2. 3. the generation of electricity using flowing water
  3. 7. convert waste into reusable material
  4. 9. energy made by using the sunlight
  5. 11. energy from sources that are naturally replenishing
  6. 13. energy is heat within the earth.
  7. 14. prevention of wasteful use of a resource.
Down
  1. 1. the introduction of harmful materials into the environment
  2. 4. make smaller or less in amount, degree, or size
  3. 5. Our top clean energy source active 24/7
  4. 6. to be able to use something again
  5. 8. remains of dead plants and animals that humans extract and burn as fuel
  6. 10. is mostly the use of wind turbines to generate electricity
  7. 12. plant-based material used as fuel to produce heat or electricity