thermal energy

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of the particles in an object.

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What happens to molecules when they are heated?

Back

When molecules are heated, they gain energy and move faster.

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NGSS.MS-PS1-4

Front

What happens to molecules when they are cooled?

Back

When molecules are cooled, they lose energy and move slower.

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

Front

What is absolute zero?

Back

Absolute zero is the lowest possible temperature, at which point molecular motion stops. It is 0 Kelvin or -273.15°C.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

How does heat transfer occur?

Back

Heat transfer occurs through conduction, convection, and radiation.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

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NGSS.MS-PS3-3

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases).

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves, such as sunlight.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is the relationship between temperature and thermal energy?

Back

As temperature increases, the thermal energy of an object also increases.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is a conductor?

Back

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

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NGSS.MS-PS3-3