OpenSciEd 6.2: Thermal Energy

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of the particles in an object.

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NGSS.MS-PS1-4

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NGSS.MS-PS3-4

Front

How does thermal energy transfer occur?

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Thermal energy transfer occurs through conduction, convection, and radiation.

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NGSS.MS-PS1-4

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What is conduction?

Back

Conduction is the transfer of thermal energy through direct contact between materials.

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What is convection?

Back

Convection is the transfer of thermal energy through the movement of fluids (liquids and gases).

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NGSS.MS-ESS2-6

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What is radiation?

Back

Radiation is the transfer of thermal energy through electromagnetic waves, such as light.

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Front

What happens to particles in a solid?

Back

In a solid, particles are closely packed together and vibrate in place.

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What happens to particles in a liquid?

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In a liquid, particles are close together but can move past one another, allowing liquids to flow.

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What happens to particles in a gas?

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In a gas, particles are far apart and move freely, filling the space available.

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What is evaporation?

Back

Evaporation is the process by which liquid water changes into water vapor (gas) when it gains enough thermal energy.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is condensation?

Back

Condensation is the process by which water vapor (gas) changes back into liquid water when it loses thermal energy.

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NGSS.MS-PS1-4

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