Across
- 4. Converts electrical energy into sound energy
- 5. The covering on circuit wires that keeps electrical current in the wire.
- 7. A source of electrical energy
- 8. The amount of energy an appliance uses
- 10. A specific piece of information about a product
- 12. The second product in the formation of coal
- 14. A device that changes electrical energy into another form of energy is called an _____ device
- 15. A person with specialized training to work with electrical systems
Down
- 1. An electrical system diagram consists of an input, a _____ and an output
- 2. A machine that produces electricity
- 3. two or more cells connected together
- 6. Controls the flow of current in a circuit
- 9. Converts electrical energy into movement energy
- 11. A material that allows an electrical current to pass through it.
- 13. Converts electrical energy into light energy
