Natural Science Crossword Puzzle

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Across
  1. 3. A _____ broom handle will not conduct electricity
  2. 4. System diagrams consist of an input, a _____ and an output
  3. 6. An electric ____ provides a pathway for electricity to flow from an energy source to where it is needed and back to the source
  4. 7. A device that converts electrical energy into light energy
  5. 9. A source of energy in a circuit
  6. 10. Two or more cells connected together
  7. 11. A cell has a ____ terminal and a negative terminal
  8. 12. An electrician may use wire cutters with handles insulated with _____
Down
  1. 1. A _____ is something that is made up of two or more parts that work together to carry out a job
  2. 2. A device that converts electrical energy into movement energy
  3. 5. Controls the flow of electricity through a circuit
  4. 7. A device that converts electrical energy into sound energy
  5. 8. A person specialized to work with electrical systems