circuit crossword

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Across
  1. 2. alternative to using cells.
  2. 4. when closed, it completes the circuit, allowing the current to flow.
  3. 5. converts electrical energy into sound.
  4. 6. converts electrical energy into movement.
  5. 7. reduces the flow of electrical current and lowers voltage levels in the circuit.
  6. 8. low resistance resistor which provides protection from overflow of the electrical current.
  7. 9. provides electrical energy for the circuit.
Down
  1. 1. converts electrical energy into light and heat.
  2. 2. when pressed, it completes the circuit allowing the current to flow.
  3. 3. lets electrical energy travel through it.