5.p.3 review

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. It occurs when heat moves from a hotter object to a cooler one.

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

Give an example of conduction.

Back

Touching a hot handle and getting burned is an example of conduction.

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NGSS.MS-PS3-3

Front

How does ice melt in a person's hand?

Back

The heat from a person's hand transfers by conduction to the ice, causing it to melt.

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NGSS.MS-PS1-4

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases). It occurs when warmer areas of a liquid or gas rise and cooler areas sink.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

Give an example of convection.

Back

Jose cooks an egg in a pot of boiling water, which is an example of convection.

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NGSS.MS-ESS2-6

Front

What is radiation?

Back

Radiation is the transfer of heat in the form of electromagnetic waves. It does not require a medium to travel through.

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NGSS.MS-PS4-2

Front

Give an example of radiation.

Back

Feeling heat from a fireplace is an example of radiation.

Front

Why does water expand when frozen?

Back

Water expands when frozen because the molecules arrange themselves in a way that takes up more space.

Front

What happens to water when it freezes in a closed container?

Back

If water freezes in a closed container, it can cause the container to break due to the expansion of water.

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NGSS.MS-PS1-4

Front

What is the importance of leaving space at the top of a plastic bottle when freezing water?

Back

Leaving space allows for the expansion of water as it freezes, preventing the bottle from breaking.