U2 Topic 2 & 3 Review (Thermal Energy & Temperature)

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What is thermal energy?

Back

Thermal energy is the total kinetic energy of the particles in a substance. It is related to temperature and the amount of substance.

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NGSS.MS-PS1-4

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What is temperature?

Back

Temperature is a measure of the average kinetic energy of the particles in a substance, indicating how hot or cold it is.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials.

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NGSS.MS-PS3-3

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What is convection?

Back

Convection is the transfer of thermal energy through the movement of fluids (liquids or gases) caused by differences in temperature and density.

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NGSS.MS-ESS2-6

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What is radiation?

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Radiation is the transfer of thermal energy through electromagnetic waves, such as sunlight.

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What is a conductor?

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A conductor is a material that allows heat to flow through it easily, such as metals.

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NGSS.MS-PS3-3

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What is an insulator?

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An insulator is a material that resists the flow of heat, such as plastic or rubber.

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NGSS.MS-PS3-3

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How does density affect thermal energy transfer?

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Denser materials generally transfer thermal energy more slowly than less dense materials, as they have more mass to heat up.

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NGSS.MS-PS3-4

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What happens to the temperature of a substance when it absorbs thermal energy?

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The temperature of the substance increases as it absorbs thermal energy.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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What happens to the temperature of a substance when it loses thermal energy?

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The temperature of the substance decreases as it loses thermal energy.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4