Electrical Circuits

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Across
  1. 5. One source of energy. C______
  2. 6. Two or more sources of energy. B__________
  3. 7. Turns it off or on. S_________
Down
  1. 1. Dangerous to touch! Elec__________
  2. 2. Lights up when electricity goes through it. B_____
  3. 3. Spins when electricity goes through it. M______
  4. 4. Links each parts of circuit together. W______