Topics 6-8

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Across
  1. 1. puts creates steam using the Earth's core
  2. 2. captures heat
  3. 3. source of energy
  4. 4. uses energy from the sun
  5. 5. circulation of fluids
  6. 8. liquid or gas
  7. 9. a type of renewable energy that uses wind
Down
  1. 1. absorbs radiation
  2. 6. transfer of energy using waves
  3. 7. direct contact