Thermal Energy

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What is temperature?

Back

Temperature is a measure of the average kinetic energy of the molecules in an object.

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What is convection?

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Convection is the transfer of heat through the movement of fluids (liquids or gases) where warmer, less dense areas rise and cooler, denser areas sink.

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What is an insulator?

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An insulator is a material that reduces the flow of heat.

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What is conduction?

Back

Conduction is the process of heat transfer where molecules in substances directly transfer kinetic energy to each other through contact.

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What is radiation?

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Radiation is the transfer of thermal energy through space without the need for a medium.

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What is thermal energy?

Back

Thermal energy is the total kinetic energy of all the molecules in an object.

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NGSS.MS-PS1-4

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What is a conductor?

Back

A conductor is a material that allows heat to flow through it easily.

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NGSS.MS-PS3-3

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What happens to air when it is heated?

Back

When air is heated, it becomes less dense and rises.

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NGSS.MS-ESS2-5

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What is the difference between heat and temperature?

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Heat is the transfer of thermal energy, while temperature is a measure of the average kinetic energy of molecules.

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What is an example of conduction?

Back

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

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