Heat Transfer

Front

What is heat transfer?

Back

Heat transfer is the movement of thermal energy from one object or substance to another due to a temperature difference.

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Front

What are the three main types of heat transfer?

Back

Conduction, convection, and radiation.

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Front

Define conduction.

Back

Conduction is the transfer of heat through direct contact between materials, where heat moves from the hotter object to the cooler one.

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Front

Define convection.

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.

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Front

Define radiation.

Back

Radiation is the transfer of heat in the form of electromagnetic waves, which can occur in a vacuum.

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Front

What happens to hot water in a pot on the stove?

Back

Hot water rises to the top while cold water sinks, demonstrating convection.

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Front

What is a vacuum?

Back

A vacuum is a space that is completely empty of matter, including air.

Front

How does a thermos keep drinks hot or cold?

Back

A thermos uses insulation to reduce heat transfer by conduction and convection, and it reflects radiant heat.

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NGSS.MS-PS3-3

Front

What is an example of conduction in everyday life?

Back

Touching a hot stove and feeling the heat transfer to your hand.

Front

What is an example of convection in nature?

Back

Warm air rising and cool air sinking, creating wind patterns.

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NGSS.MS-ESS2-5

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