Electricty

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Across
  1. 1. source of the energy
  2. 4. any object that electric current cannot flow through
  3. 5. Natural energy is what type of energy?
  4. 6. any object electricity can flow through
  5. 7. opens and closes the circuit
Down
  1. 2. the power source
  2. 3. the path electricity flows through to make the bulb light
  3. 5. Human harnessed electricity is also called what?