Heat Flashcards

1
Q

What is heat

A

Heat is a form of energy. It is measured in joules

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2
Q

Where does heat go

A

Heat always moves from a hot area to a cold area

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3
Q

What is conduction

A

Conduction is the transfer of heat through a substance with out the particles in the substance moving out of please

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4
Q

What is metal good at

A

Metals are good conductors

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5
Q

What is a incinerator

A

And insulator is a substance that does not allow heat to pass through easily insulators are very poor conductors

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6
Q

What is convection

A

Convection is the transfer of heat through the liquid or gas, when molecules of the liquid or gas move upwards and carry the heat

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7
Q

What is radiation

A

Radiation is the transfer of heat in rays from a hot objects without needing a medium to pass through

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8
Q

Does a dull, black, surface radiate and absorb heat better than ordinary surface

A

Yes

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9
Q

What do gases solids and liquids do when heated up

A

They expand

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10
Q

What temperature must it be for water to start expanding

A

4°C

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11
Q

Ice is less dense than liquid water and so it floats, why is this important for fish

A

This is important for fish to expand

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12
Q

Does a dog black surface absorbs heat better go now bright shiny surface

A

Yes

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