Unit 6 Crossword

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Across
  1. 2. – Spins from steam to generate electricity
  2. 3. – Partially decomposed biomass fuel
  3. 5. – Sticky form of petroleum in tar sands
  4. 6. – Ocean flow used to spin turbines
  5. 8. – Artificial lake behind a dam
  6. 10. – Converts sunlight directly into electricity
  7. 12. – Energy that can be replenished
  8. 13. – Fossil fuel from ancient plant matter
  9. 16. – Slows reaction in nuclear reactor
  10. 17. – Organic material burned for energy
  11. 19. – Uses uranium fission for power
Down
  1. 1. – Energy sources that can’t regenerate quickly
  2. 3. – Type of cell in solar panels
  3. 4. – “Cleanest” fossil fuel used for heating
  4. 7. – Uses Earth’s internal heat for power
  5. 9. – Renewable energy from air movement
  6. 11. – Renewable source using flowing water
  7. 14. – Extracting natural gas by cracking rock
  8. 15. – Biofuel made from corn or sugarcane
  9. 18. – Most common energy source globally