Heat Transfer

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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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NGSS.MS-PS1-4

NGSS.MS-PS3-3

Front

What are the three main modes of heat transfer?

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The three main modes of heat transfer are conduction, convection, and radiation.

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What is conduction?

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Conduction is the transfer of heat through a solid material without any movement of the material itself, typically occurring in solids.

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NGSS.MS-PS3-3

Front

What is convection?

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Convection is the transfer of heat through the movement of fluids (liquids or gases), where warmer areas of a liquid or gas rise and cooler areas sink.

Tags

NGSS.MS-ESS2-6

Front

What is radiation?

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Radiation is the transfer of heat in the form of electromagnetic waves, such as infrared radiation, and does not require a medium.

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NGSS.HS-PS4-3

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How does a thermos minimize heat transfer?

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A thermos minimizes heat transfer by reducing conduction and radiation through insulation and a vacuum.

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NGSS.MS-PS3-3

Front

What is a vacuum?

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A vacuum is a space devoid of matter, which means it has no air or other substances, preventing heat transfer by conduction and convection.

Tags

NGSS.MS-PS3-3

Front

What are convection currents?

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Convection currents are the circular patterns of movement in fluids caused by the uneven heating of the fluid, leading to the rise of warmer fluid and the sinking of cooler fluid.

Tags

NGSS.MS-ESS2-6

Front

In which states of matter do convection currents occur?

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Convection currents occur in both liquids and gases.

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What happens to a cold drink in a hot room?

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A cold drink in a hot room absorbs heat from the surrounding air and gets warmer.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4