Natural Resources

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Across
  1. 6. preventing wasteful use of a resource
  2. 7. hazardous by-product of nuclear power
  3. 8. energy in visible range of the electromagnetic spectrum
  4. 10. made from polymers (a petroleum product)
  5. 12. energy that uses gears, pulleys, and shafts…
  6. 13. long-term rise in Earth's temperature
Down
  1. 1. man-made fabric to imitate natural material
  2. 2. combines hydrogen to oxygen to create electricity
  3. 3. dead and decaying ancient living things
  4. 4. energy made of vibrations
  5. 5. CO2
  6. 7. solid mineral material forming earth’s crust
  7. 9. taking care of forests
  8. 11. energy in the bonds of molecules