conduction and convection Flashcards

1
Q

where does conduction mainly occur

A

in solids

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2
Q

what is conduction

A

the process where vibrating particles transfer energy to neighbouring particles

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3
Q

how is energy transferred to an object by heating

A

energy is transferred to the thermal energy store of the object

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4
Q

what happens when the particles in an object are being heated

A

they vibrate more and collide with eachother

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5
Q

what is thermal conductivity

A

the measure of how quickly energy is transferred through a material in this way
materials with a high thermal conductivity transfer energy between particles quicker

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6
Q

where does convection occur

A

only in liquids and gases

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7
Q

what is convection

A

where energetic particles move away from hotter to cooler regions

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8
Q

who is energy transferred in convection

A

by heating to the thermal store of liquid or gas

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9
Q

what happens when you heat a region of gas or liquid

A

they move faster

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