Across
- 3. A sealed container that holds chemicals which are used for producing electricity. Also called a DRY CELL
- 9. Contacts on an electrical device (such as a battery) at which electric current enters or leaves. This car battery shows the positive(+) terminal and negative terminal (-) marked with symbols
- 11. The flow of an electric charge. In an electronic circuit, the current is the flow of electrons.
- 12. A device that is used to control the flow of electricity in an electric circuit.
- 13. A device that is used to turn electricity on/off; to stop and start the flow of electricity
- 14. A machine that converts other forms of energy into mechanical energy which then creates motion
Down
- 1. An incandescent glass bulb which contains gas and a thin metal filament that emits light when an electric current is passed through it
- 2. The measure of electric pressure. Voltage is usually supplied by a battery or a generator.
- 4. Incredibly tiny units of matter. Each is made up of protons and electrons
- 5. An energy transformation is the change of energy from one form to another. There are many different forms of energy such as electrical, thermal, nuclear, mechanical, electromagnetic, sound, and
- 6. A pathway made of wires that electrons can flow through
- 7. A machine that produces electricity.
- 8. Usable power or the resources (e.g. oil) used to produce usable
- 10. is a device that emits light when an electric current is passed through