terms helpful in our alternative energy discussion

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Across
  1. 3. energy, what could happen
  2. 6. hour, units used in electric bills
  3. 8. average kinetic energy of matter
Down
  1. 1. unit of potential difference
  2. 2. one thousand watts
  3. 4. unit of power of one joule per second
  4. 5. energy, energy of motion
  5. 7. unit of current