Across
- 2. Too many batteries in a circuit may cause a the bulb to _________.
- 3. The path where an electric current flows.
- 6. A flash of light in the sky caused by a discharge of electricity between clouds and the ground..
- 9. _________hour,(kW·h) is a unit of energy equal to 1000 watt-hours.
- 10. An electric circuit in which current branches to two or more paths.
- 13. Protons have a _________ charge.
- 14. When you rub a balloon to your hair you create ______ electricity.
Down
- 1. The device which turns an electrical current on and off; opens and closes the circuit.
- 2. Adding an extra battery to a circuit containing a bulb, how cause the bulb to become __________.
- 4. Electrons have a _________ charge.
- 5. Neutrons have a _________ charge.
- 7. A material that does not allow electric charges or heat to move freely on, or through it
- 8. Electrical wires are made of metal because they ________ electricity.
- 11. Batteries are an example of __________ currents.
- 12. An electric circuit with only one path for the flow of a current.