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 are insulators?

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Insulators are materials that do not conduct heat well, preventing the transfer of thermal energy.

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What is conduction?

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Conduction is the process of heat transfer 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 warm air or liquid rises and cool air or liquid sinks.

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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 temperature affect thermal energy?

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As the temperature of a substance increases, its thermal energy also increases due to the greater kinetic energy of its particles.

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What is the difference between heat and temperature?

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Heat is the transfer of thermal energy between objects, while temperature is a measure of the average kinetic energy of the particles in a substance.

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What is a heat sink?

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A heat sink is a device or substance that absorbs and dissipates heat from another object, often used in electronics to prevent overheating.

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What is specific heat capacity?

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Specific heat capacity is the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.

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What is thermal equilibrium?

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