Thermal Energy

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What is thermal energy?

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

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What is conduction?

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Conduction is the transfer of heat through direct contact between materials.

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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) caused by differences in temperature.

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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 light or infrared radiation.

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What is an insulator?

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An insulator is a material that does not conduct heat well, helping to keep heat in or out.

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NGSS.MS-PS3-3

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What happens to the temperature of an object when it is well insulated?

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The temperature of the object shows very little change over time.

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NGSS.MS-PS1-4

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Why do metal handles on a pan get hot?

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Metal is a good conductor of heat, so heat from the pan transfers to the handles.

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What is an example of conduction in everyday life?

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An example of conduction is touching a hot stove and feeling the heat transfer to your hand.

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What is an example of convection?

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An example of convection is boiling water, where hot water rises and cooler water sinks.

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NGSS.MS-PS1-4

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What is an example of radiation?

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