C.8 Heat Transfers by Convection and Radiation Flashcards

1
Q

What is Convection?

A

Heat is transferred when liquid or gas particles move from one area to another

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2
Q

What are Convection Currents?

A

What are Convection Currents?The particles in a liquid or a gas move in circular patterns when heated

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3
Q

What is Radiation?

A

The transfer of energy by invisible waves that can travel great distances

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4
Q

What are Radiation Currents?

A

Energy transferred from its source by radiation

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5
Q

why can’t convection occur in solids

A

the articles in solids can not move with the some freedom liquid and gas can

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6
Q

why do liquid and gas particles move in a circular pattern when heated

A

heated particles rise (less dense), then cool off and sink (become more dense)

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7
Q

what happens to particles when radiant energy comes in contact with them?

A

Darlicles in crease thierkinet energy (mover and more)

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