Thermal Energy - 3rd

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

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Front

How does heat transfer occur?

Back

Heat transfer occurs through three main methods: conduction, convection, and radiation.

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NGSS.MS-PS1-4

Front

What is conduction?

Back

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

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NGSS.MS-PS3-3

Front

What is convection?

Back

Convection is the transfer of heat in fluids (liquids and gases) through the movement of the fluid itself.

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NGSS.MS-ESS2-6

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What is radiation?

Back

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

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Front

What is the direction of heat flow?

Back

Heat always moves from hot to cold.

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NGSS.MS-PS3-3

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.

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NGSS.HS-PS3-4

Front

What happens to air in a hot air balloon when heated?

Back

When the air inside a hot air balloon is heated, it expands and becomes less dense than the cooler air outside, causing the balloon to rise.

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NGSS.MS-PS3-3

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

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NGSS.MS-PS3-1

Front

How do you calculate the average speed of a student?

Back

Average speed = Total distance / Total time taken.