types of energy

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Across
  1. 2. what is ability to do work called.
  2. 3. the energy use to produce electricity through dams.
  3. 4. the ultimate source of energy is called.
  4. 6. the energy used to move the blades of a windmill.
  5. 8. the energy due to position is called.
  6. 10. the energy used run a refrigerator is called.
Down
  1. 1. the energy present when a nail is drive into a board is called.
  2. 5. the energy which is due to motion is called.
  3. 7. type of energy use to run a solar heater.
  4. 9. the energy in which rise of heat is caused.