Thermal Energy

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What is thermal energy?

Back

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

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What happens when you touch a metal sink and it feels cold?

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Heat energy flows from the student's finger to the metal sink.

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Which form of energy causes water to boil?

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Thermal energy causes water to boil.

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What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

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What is conduction?

Back

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

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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.

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What is kinetic energy?

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Kinetic energy is the energy of motion.

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What happens to thermal energy when a hot object is placed in a cooler environment?

Back

The thermal energy decreases as heat flows from the hot object to the cooler environment.

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Front

What is the relationship between temperature and molecular motion?

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As temperature increases, molecular motion increases.

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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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