Energy

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Across
  1. 3. A __________ Current in a kettle heats all of the water up
  2. 4. Energy can be transferred by Conduction, Convection and _________
  3. 5. The unit energy is measured in
  4. 6. A thousand grams is equal to one
Down
  1. 1. Metals are good _______ of heat
  2. 2. Wind, Solar and Hydroelectric are all _______ forms of energy