Work and energy

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Across
  1. 3. energy from the sun
  2. 4. measured in newton meters
  3. 5. measured in Newtons
  4. 7. energy stored energy
  5. 8. distance divided by time
  6. 9. Splitting of an atom
Down
  1. 1. energy this is heat energy
  2. 2. moving electrons
  3. 6. energy energy in motion
  4. 8. a rumble of thunder represents this energy