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Laabri

Savvas 7th Grade Thermal Energy and Heat Test Modified Part B

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Last updated almost 3 years ago
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7.
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1.

The amount of energy required to raise the temperature of 1 kilogram of a substance by 1 kelvin is called its

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2.

A material that conducts heat poorly is called a(n)

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3.

Which of these is a good conductor?

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4.

Trapped air is a good conductor because it reduces heat transfer

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5.

As most substances are cooled, they expand.

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6.

Specific heat is measured in joules.

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8.

The specific heat of foam is 1200J(kg-K). How much heat does it take to raise the temperature of 1 kg of foam by 2 K?

Hint: Remember the Energy Change Formula Energy Change=Mass x Specific Heat x Temperature Change