Thermal Energy Amplify Ch.1

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What is thermal energy?

Back

Thermal energy is the total kinetic energy of all the molecules in an object, which is related to its temperature.

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What does kinetic energy refer to?

Back

Kinetic energy is the energy that an object possesses due to its motion.

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How is temperature defined?

Back

Temperature is a measure of how hot or cold something is, indicating the average kinetic energy of its molecules.

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What is a molecule?

Back

A molecule is a group of atoms joined together in a particular way.

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What does it mean if an object has a high average kinetic energy?

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It means that the molecules in that object are moving faster on average, which typically indicates a higher temperature.

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How can we represent the speed of a molecule in a drawing?

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We can show the speed of a molecule by drawing the tail of the molecule shorter or longer.

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What is the relationship between temperature and kinetic energy?

Back

As the average kinetic energy of molecules increases, the temperature of the substance also increases.

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What happens to the thermal energy of an object when it is heated?

Back

When an object is heated, its thermal energy increases, causing the molecules to move faster.

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What is the significance of molecular motion in thermal energy?

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Molecular motion is crucial because it determines the thermal energy and temperature of a substance.

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What is the difference between heat and temperature?

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Heat is the transfer of thermal energy from one object to another, while temperature is a measure of the average kinetic energy of molecules.

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