Energy and the Environment

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Across
  1. 2. liquid form of fossil fuel
  2. 5. nuclear _______ is the unusable, radioactive material that is leftover after a nuclear reaction
  3. 7. solid form of fossil fuel
  4. 10. ________ is a form of electricity where flowing water is used to make electricity
  5. 12. ______ fuels are the remnants of life that died millions of years ago
  6. 14. ________ solar energy uses the sun for energy without a solar cell
Down
  1. 1. releases energy by forcing two atomic nuclei to melt together
  2. 2. a ______ cell is another word for a solar cell
  3. 3. a nuclear ________ is where nuclear energy is converted into electrical energy
  4. 4. ______ energy uses heat from inside the Earth to make electricity
  5. 6. the carrying _________ is the greatest population that an ecosystem can sustain
  6. 8. _____ resources cannot be easily replenished
  7. 9. releases energy by splitting atomic nuclei
  8. 11. sulfur ______ combines with moisture in the air to form acid rain
  9. 13. rising ______ turning a turbine is how electricity is made at most power plants