U9 - Thermal Energy and Temperature

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What is thermal energy?

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Thermal energy is the total energy of all the particles in an object, which is related to its temperature.

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NGSS.HS-PS3-4

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What is temperature?

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Temperature is a measure of how hot or cold something is, typically measured in degrees Celsius (°C) or Fahrenheit (°F).

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NGSS.MS-PS1-4

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What is conduction?

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

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What is convection?

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Convection is the transfer of thermal energy through the movement of fluids (liquids or gases) caused by differences in temperature.

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NGSS.MS-ESS2-6

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What is radiation?

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Radiation is the transfer of thermal energy through electromagnetic waves, such as heat from the sun.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

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What happens when two objects at different temperatures come into contact?

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Heat will transfer from the hotter object to the cooler object until they reach thermal equilibrium.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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What is thermal equilibrium?

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Thermal equilibrium is the state in which two objects in contact no longer transfer heat, meaning they are at the same temperature.

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What is an example of conduction?

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An example of conduction is a metal spoon getting hot when placed in a pot of hot soup.

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NGSS.MS-PS3-3

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What is an example of convection?

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An example of convection is warm air rising and cool air sinking in a room.

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NGSS.MS-ESS2-6

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What is an example of radiation?

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An example of radiation is feeling warmth from the sun on your skin.