Energy

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Across
  1. 1. Newton's first law
  2. 4. Hydro electricity is a type of ......... energy
  3. 6. The force that keeps objects held to the ground
  4. 7. 'For ever action there is an equal and opposite ........'
  5. 9. A type of fossil fuel
  6. 10. Is equal to mass times acceleration
Down
  1. 2. The flow of electrons
  2. 3. Renewable energy from the sun
  3. 5. Carbon dioxide is a ....... gas
  4. 8. A type of energy that has incredibly dangerous waste