Thermal Energy and Heat Transfer Exam

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of the particles in a substance, which is related to its temperature.

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NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Front

What is heat transfer?

Back

Heat transfer is the movement of thermal energy from one object or substance to another due to a temperature difference.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What are the three methods of heat transfer?

Back

The three methods of heat transfer are conduction, convection, and radiation.

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NGSS.MS-PS3-3

Front

Define conduction.

Back

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

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NGSS.MS-PS3-3

Front

Define convection.

Back

Convection is the transfer of heat through the movement of fluids (liquids or gases) caused by differences in temperature and density.

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Front

Define radiation.

Back

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

Front

What is an insulator?

Back

An insulator is a material that resists the flow of heat, preventing thermal energy transfer.

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NGSS.MS-PS3-3

Front

Give an example of a good conductor of heat.

Back

Metals like copper and aluminum are good conductors of heat.

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NGSS.MS-PS3-3

Front

What is an example of convection in everyday life?

Back

An example of convection is the warm air rising and cool air sinking in a room, creating a circulation of air.

Front

How does thermal energy transfer occur in boiling water?

Back

In boiling water, convection currents form as hot water rises to the surface and cooler water sinks.

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NGSS.MS-PS1-4

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