Thermal Energy

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What is the law of conservation of energy?

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Energy cannot be created or destroyed; it can only be transferred or transformed from one form to another.

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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 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 energy by electromagnetic waves, such as light or heat.

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In which direction does heat flow?

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Heat flows from warmer objects to cooler objects.

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What is thermal energy?

Back

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

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Front

What is an example of conduction?

Back

A metal spoon getting hot when placed in a pot of boiling water.

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Front

What is an example of convection?

Back

Water boiling in a pot, where hot water rises and cooler water sinks.

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What is an example of radiation?

Back

The warmth felt from sunlight on your skin.

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What happens to energy during a phase change?

Back

Energy is absorbed or released, but the total amount of energy remains constant.

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