Coolness

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Across
  1. 2. energy cannot be created nor destroyed but instead ___.
  2. 4. one component in how nuclear energy is harnessed
  3. 6. what you should do with water
  4. 9. Greta ___, child activist who addressed the UN when she was 15.
  5. 10. mechanical, chemical, thermal, electrical, ___.
  6. 11. why some resources are better than others
Down
  1. 1. machine that creates energy from wind power.
  2. 3. main source of energy for the earth
  3. 5. ex., what coal is
  4. 7. sun's uneven heating causes...
  5. 8. how nonrenewable resources are often harnessed