Physical Science Heat and Temperature

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What is heat?

Back

Heat is a form of energy that is transferred between systems or objects with different temperatures (not a measure of average kinetic energy).

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What are refrigerators and air conditioners examples of?

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Refrigerators and air conditioners are examples of heat movers.

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What is absolute zero?

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Absolute zero is the theoretical temperature at which all particle motion stops, equivalent to 0 Kelvin or -273.15°C.

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What is combustion?

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Combustion is the chemical process in which a substance reacts rapidly with oxygen and releases energy in the form of heat and light.

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What are insulators?

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Insulators are materials that do not conduct heat well, such as wood and plastic.

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What is the difference between heat and temperature?

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Heat is the energy transferred due to temperature difference, while temperature is a measure of the average kinetic energy of particles in a substance.

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What is thermal conductivity?

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Thermal conductivity is a measure of a material's ability to conduct heat.

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What is a heat engine?

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A heat engine is a device that converts thermal energy into mechanical work.

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What is the first law of thermodynamics?

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The first law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another.

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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.