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P1 Flashcards

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1
Q

What are three ways heat energy can be transferred?

A

Conduction
Convection
Radiation

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2
Q

What is heat radiation?

A

The transfer of heat energy by infrared radiation (IR).

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3
Q

Conduction and Convection involve the transfer of energy by what?

A

Particles

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4
Q

What is the main form of heat transfer in solids?

A

Conduction

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5
Q

What is the main form of heat transfer in liquids and gasses?

A

Convection

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6
Q

What is Infrared radiation emitted by?

A

Solids
Liquids
Gasses

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7
Q

___ object can both ______ and ____ infrared radiation.

A

Any
Absorb
Emit

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8
Q

The ______ the temperature difference between an object and its surroundings, the ______ energy is transferred by heating.

A

Bigger

Faster

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9
Q

What substances can convection happen in?

A

Liquids and gases

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10
Q

What type of radiation do all hot objects emit?

A

Infrared radiation

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11
Q

The ______ the temperature difference between an object and its surroundings, the ______ energy is transferred by heating.

A

Bigger

Faster

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12
Q

What are the best absorbers of thermal radiation?

A

Black, dull surfaces

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13
Q

What are the worst emitters of thermal radiation?

A

Light, shiny surfaces

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14
Q

What are the worst emitters of thermal radiation?

A

Light, shiny surfaces

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15
Q

The ______ an object is the ____ radiation it radiates.

A

Hotter

More

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Science (6 decks)

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