Front

What is the definition of 'equilibrium'?

Back

A balanced state in which a system is stable, such as when two samples are at the same temperature.

Front

If two objects are touching and one object decreases in temperature, what happens to the other object?

Back

The other object will increase in temperature.

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

Front

What happens to the molecules of a system when they transfer energy?

Back

They will continue to transfer energy until the system reaches a stable state known as equilibrium.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Front

How do we show the speed of a molecule in a drawing?

Back

We draw the tail shorter or longer.

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NGSS.MS-PS3-1

Front

What is the definition of 'collision'?

Back

The moment when two objects hit each other.

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NGSS.MS-PS2-1

Front

What is thermal energy?

Back

The total kinetic energy of all the molecules in a substance.

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What is conduction?

Back

The transfer of thermal energy through direct contact between materials.

Front

What is convection?

Back

The transfer of thermal energy through the movement of fluids (liquids and gases).

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Front

What is radiation?

Back

The transfer of energy through electromagnetic waves.

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NGSS.HS-PS4-3

Front

What is the relationship between temperature and thermal energy?

Back

Temperature is a measure of the average kinetic energy of the molecules in a substance.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4