Thermal Energy Transfer

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What is thermal energy transfer?

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The process of heat moving from one object or substance to another.

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What is conduction?

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A method of heat transfer that occurs when two objects are in direct contact with each other.

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What is convection?

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A method of heat transfer that occurs in fluids (liquids and gases) where warmer areas of a liquid or gas rise and cooler areas sink.

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What is radiation?

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A method of heat transfer that occurs through electromagnetic waves, such as sunlight.

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Example of conduction in everyday life?

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Ironing a shirt.

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Example of convection in everyday life?

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Boiling water.

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Example of radiation in everyday life?

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Feeling the warmth of the sun on your skin.

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What happens to thermal energy when you touch a hot object?

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Thermal energy is transferred from the hot object to your skin through conduction.

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Why does hot air rise?

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Hot air is less dense than cold air, causing it to rise in convection currents.

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What is an insulator?

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A material that does not conduct heat well, such as rubber or wood.