| acoustic |
able to make musical sounds without using electricity. [1/2 definitions] |
| appliance |
a device used for a particular purpose. Stoves, refrigerators, toasters, vacuum cleaners, and room heaters are some appliances used in the home. Most applicances use electricity. |
| asbestos |
a mineral that separates into fibers and does not catch fire or conduct electricity. Asbestos is used to make fireproof materials and insulation. |
| battery |
a device that makes electricity by using chemical reactions. Batteries are used to power many things, including cars, flashlights, toys, and watches. [1/3 definitions] |
| cell |
a device that makes electricity by chemical means. [1/4 definitions] |
| charge |
the amount of electricity in an object. Charge causes electrical energy to flow in a current. The movement of electrical energy from one point to another is caused by a difference between the charges at the two points. An electrical charge can be positive or negative. [1/12 definitions] |
| charging station |
a machine that supplies electrical energy to cars or other vehicles that use electricity to power them. |
| circuit breaker |
a switch or other device that automatically breaks an electric circuit when too much electricity flows through it. |
| conductor |
anything that carries or allows passage of heat, electricity, or sound. [1/3 definitions] |
| copper |
a reddish brown metal that is one of the chemical elements. Copper is used to make pipes, because it does not easily rust. It is also used to make wires, because it is an excellent conductor of electricity. It can be combined with other metals to make alloys such as brass and bronze. (symbol: Cu) [1/4 definitions] |
| current |
the flow of electricity in a wire or other conductor. [1/4 definitions] |
| dynamo |
the British word for the part of the car that generates electricity for the car. "Dynamo" has the same meaning as "generator." [1/2 definitions] |
| electric |
of or having to do with electricity. [2/3 definitions] |
| electrical |
having to do with electricity; electric. |
| electrocute |
to kill by electricity. |
| electronic |
having to do with devices, equipment, or systems that use electricity in complex ways while employing very tiny parts. [1/2 definitions] |
| engine |
a machine that uses energy from fuel or electricity to do work, such as to move. [1/2 definitions] |
| generator |
a machine or device that produces electricity or other energy. [1/2 definitions] |
| hydroelectric |
having to do with producing electricity by means of the energy created by moving water. |
| insulate |
to cover, line, or surround with a material that reduces or stops the movement of heat, electricity, or sound. |
| jigsaw |
a saw that can be used to cut sharp corners or curved designs. Jigsaws are usually powered by electricity. |