Thermal Energy

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What is thermal energy?

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

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What is conduction?

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

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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), where warmer, less dense areas rise and cooler, denser areas sink.

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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 infrared radiation, which can occur in a vacuum.

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How does heat transfer in wind occur?

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Heat transfer in wind occurs primarily through convection.

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What happens to the temperature of a glass of cold water over time?

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The temperature of a glass of cold water will eventually match the temperature of the surrounding environment.

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How do heat lamps keep baby chickens warm?

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Heat lamps keep baby chickens warm through radiation, as they emit infrared radiation that warms the chicks.

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What happens to gas pressure when thermal energy increases?

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As thermal energy of a gas increases, the gas molecules move faster and strike the container walls more frequently, increasing pressure.

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In which direction does heat transfer occur?

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Heat transfer occurs only from warm objects to colder ones.

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What is the role of temperature in thermal energy?

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Temperature is a measure of the average kinetic energy of particles in a substance, influencing its thermal energy.

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