Determine the relationships between energy transfer and type of matter - Middle School Physical Science

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Question

Which of these is an example of a conductor?

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Answer

The answer is water because electric and heat energy move easily through it.

Some types of matter transfer energy more easily than others. These substances are called “conductors.” An electrical conductor is a substance in which electrical charge carriers, usually electrons, move easily from atom to atom with the application of voltage. Conductivity, in general, is the capacity to transmit something, such as electricity or heat. Some examples of conductors are copper, steel, gold, aluminum, and brass. If a substance does NOT transfer energy efficiently, it is called an insulator. Some common insulators are: Glass, Air, Plastic, Rubber, Porcelain, and Wood.

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