Heat Transfer

What is thermal conduction?

• Energy is transferred by the mass motion of molecules.

• Energy is transferred by direct contact.

• Energy is transferred by electromagnetic radiation.

• Energy is transferred by picking it up and moving it.

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Which is the best example for conduction?

• Using a heating pad to loosen up your back muscles.

• Hot tea where steam is rising.

• Sitting by the campfire to warm up.

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NGSS.MS-PS3-3

Select three ways in which heat can be transferred.

• Radiation

• Isolation

• Convection

• Conduction

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NGSS.MS-PS3-4

Which of the following materials is the best CONDUCTOR?

• Plastic

• Metal

• Wood

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NGSS.MS-PS3-3

The circular motion of heat rising and cold sinking is called a:

• Circular heat motion

• Water cycle

• Convection current

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The sun transfers its heat energy to use through waves. This is known as __________________.

• Convection

• Radiation

• Conduction

True or False: The process of conduction occurs when atoms speed up , bump into each other, and through DIRECT CONTACT with another atom, transfer their heat.

• True

• False

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NGSS.MS-PS3-3

True or False? The HOTTER something gets, the SLOWER its particles move.

• True

• False

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NGSS.MS-PS1-4

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The cook burned his finger by touching the spoon. Why did his finger get burned?

• The metal spoon chemically reacted with the cook's hand.

• The metal spoon insulated his hand.

• The metal spoon conducted thermal energy to the cook's hand.

• The metal spoon conducted electricity to the cook's hand.

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NGSS.MS-PS1-4

Which of the following is an example of heat transfer by radiation?

• A pot of boiling water.

• Burning the roof of your mouth with hot pizza.

• baking brownies in the oven.

• The inside of a car in the summertime.

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