Physics

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Across
  1. 3. Source of biomass energy
  2. 5. Artificial light source
  3. 6. radioactive
  4. 7. energy of water
  5. 8. Original fossil fuel
  6. 10. Energy keeps getting ____________ from place to place
Down
  1. 1. Something that blocks water bodies
  2. 2. electric energy
  3. 4. Source of solar energy
  4. 9. name of the topic