Thermal Equilibrium (7.8B)

Front

What is thermal equilibrium?

Back

Thermal equilibrium is the state in which two objects in contact with each other reach the same temperature, resulting in no net heat transfer between them.

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What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials, where heat moves from the warmer object to the cooler one.

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What is convection?

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Convection is the transfer of thermal energy through the movement of fluids (liquids or gases), where warmer areas rise and cooler areas sink, creating a circulation pattern.

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What is radiation?

Back

Radiation is the transfer of thermal energy through electromagnetic waves, such as heat from the sun reaching the Earth.

Front

What happens to thermal energy in a well-insulated house on a hot day?

Back

Thermal energy moves from warmer rooms to cooler rooms until thermal equilibrium is reached.

Front

How does thermal energy transfer when an ice cube is placed in warm water?

Back

Thermal energy transfers through a combination of conduction (direct contact) and convection (movement of water).

Front

What is the role of insulation in thermal energy transfer?

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Insulation reduces the transfer of thermal energy, helping to maintain temperature by preventing heat loss or gain.

Front

What is an example of conduction in everyday life?

Back

An example of conduction is when a metal spoon gets hot after being placed in a pot of boiling water.

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What is an example of convection in everyday life?

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An example of convection is the way warm air rises and cool air sinks in a room, creating a circulation of air.

Front

What is an example of radiation in everyday life?

Back

An example of radiation is feeling the warmth of the sun on your skin, even when you are not in direct contact with it.