Conductors and Insulators Quiz (p. 250-253)

What is a conductor?

• A material that keeps heat in

• A material that allows heat or electricity to flow through easily

• A material that stops heat from flowing

• A type of electrical device

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Which of the following is an example of a good insulator?

• Copper

• Plastic

• Aluminum

• Silver

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Why do thick clothes keep you warm?

• They are colorful

• They are good conductors

• They are good insulators

• They are made of metal

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What does thermal energy refer to?

• The energy from sunlight

• The energy that moves through materials as heat

• Electrical energy

• Kinetic energy

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Which material is a conductor of electrical energy?

• Rubber

• Glass

• Gold

• Wood

What happens when you use a hair dryer?

• It cools your hair

• It uses electrical energy to heat your hair

• It uses thermal energy to cool your hair

• It does not use energy

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In the Wonder Thermos, what keeps drinks hot or cold?

• Thick plastic

• Thin plastic lining

• Sealed air

• All of the above

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Why are pots made of metal good for cooking?

• They are heavy

• They are good insulators

• They are good conductors of heat

• They are colorful

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What role does air play in insulation?

• It cools things down

• It helps heat move quickly

• It slows down the movement of heat

• It has no effect on heat

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Which of the following is NOT a conductor?

• Aluminum

• Wood

• Steel

• Gold