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What is thermal energy?

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Thermal energy is the total kinetic energy of particles in a substance, which is related to its temperature.

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How does heat transfer occur?

Back

Heat transfer occurs from an area of high temperature to an area of low temperature.

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Front

What are the three methods of heat transfer?

Back

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

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What is conduction?

Back

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

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What is convection?

Back

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

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NGSS.MS-ESS2-6

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What is radiation?

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Radiation is the transfer of heat in the form of electromagnetic waves, such as sunlight.

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Can heat transfer occur in both directions?

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No, heat transfer occurs only from warm objects to colder ones.

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What is an example of conduction?

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An example of conduction is a metal spoon getting hot when placed in a hot soup.

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What is an example of convection?

Back

An example of convection is warm air rising and cool air sinking in a room.

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NGSS.MS-ESS2-6

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What is an example of radiation?

Back

An example of radiation is feeling warmth from the sun on your skin.

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