Heat Transfer

Front

What is convection?

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases). Warm air rises while cool air sinks, creating a circulation pattern.

Tags

NGSS.MS-ESS2-6

Front

How does heat transfer occur when holding hands with someone?

Back

Heat energy from your friend's hand transfers to your hand through conduction, making your hand warmer.

Front

What is radiation in terms of heat transfer?

Back

Radiation is the transfer of heat through waves, such as infrared radiation from the sun.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What is conduction?

Back

Conduction is the transfer of heat through direct contact between materials. For example, when you touch a hot stove, heat transfers from the stove to your hand.

Tags

NGSS.MS-PS3-3

Front

What is the difference between conduction and convection?

Back

Conduction occurs through direct contact, while convection involves the movement of fluids to transfer heat.

Tags

NGSS.MS-PS1-4

Front

Can you give an example of convection?

Back

An example of convection is boiling water. The hot water at the bottom rises to the top, while cooler water descends.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is an example of radiation?

Back

An example of radiation is feeling the warmth of the sun on your skin, even when you are not in direct contact with it.

Front

What happens to air when it is heated?

Back

When air is heated, it becomes less dense and rises, causing cooler air to sink.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is thermal equilibrium?

Back

Thermal equilibrium is the state in which two objects in contact with each other reach the same temperature and no heat flows between them.

Front

What is the role of insulation in heat transfer?

Back

Insulation reduces heat transfer by conduction, convection, and radiation, helping to keep heat in or out of a space.

Tags

NGSS.MS-PS3-3