OpenSciEd 6.2: Thermal Energy

Front

What happens to water when it freezes?

Back

Water changes from a liquid to a solid when it freezes.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is evaporation?

Back

Evaporation is the process where liquid water changes into water vapor (gas) due to heat.

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NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What happens to a snowman when the temperature rises?

Back

The snowman changes from a solid (snow) to a liquid (water) as it melts.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What do molecules in a liquid look like?

Back

Molecules in a liquid are close together but can move past each other, allowing the liquid to flow.

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NGSS.MS-PS3-4

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total energy of all 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 thermal energy when you heat a substance?

Back

Thermal energy is added to the substance, increasing its temperature.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to thermal energy when you cool a substance?

Back

Thermal energy is removed from the substance, decreasing its temperature.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is condensation?

Back

Condensation is the process where water vapor (gas) cools and changes back into liquid water.

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NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Front

What is the boiling point of water?

Back

The boiling point of water is 100 degrees Celsius (212 degrees Fahrenheit) at sea level.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the freezing point of water?

Back

The freezing point of water is 0 degrees Celsius (32 degrees Fahrenheit).

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NGSS.MS-PS1-4