Where will heat flow?

Front

What is heat flow?

Back

Heat flow is the movement of thermal energy from one object or area to another, typically from a hotter object to a cooler one.

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How does heat flow between two objects?

Back

Heat flows from the object with a higher temperature to the object with a lower temperature until they reach thermal equilibrium.

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What happens to ice cream left on a plate?

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The ice cream gains heat from the surrounding air, causing it to melt.

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What is thermal equilibrium?

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Thermal equilibrium is the state reached when two objects in contact no longer transfer heat to each other because they are at the same temperature.

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If object A is hotter than object B, which way will heat flow?

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Heat will flow from object A to object B.

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What is conduction?

Back

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

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What is convection?

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Convection is the transfer of heat through fluids (liquids and gases) caused by the movement of the fluid itself.

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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, and does not require a medium.

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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 hot soup.

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What is an example of convection?

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