Physics 8I

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what is temperature?
how hot something is
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what is heat energy measured in?
joules
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the amount of heat energy in something depends on...
how hot it is, the material and its mass
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when the particles are heated what happens to the material?
it expands
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what is conduction?
when the particles in solids are packed together tightly and vibrate, when they gain energy the vibrations pass on
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metals are ? conductors
good
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what is an insulator?
something that doesn't conduct heat very well
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what is convection?
convection takes places in liquids and gases and is when the air near the fire is heated, the particles spread and become less dense. as the cool air rises and meets the hot, the hot air passes on energy
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what is infrared radiation?
it can transfer heat energy through open spaces and passes it on through radiation
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a solid ? to get to a liquid
melts
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a liquid ? to get to a gas
evaporates
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a gas ? to get to a liquid
condenses
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a liquid ? to get to a solid
freezes
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what points of a substance are the same tempreature
melting point and freezing point
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Other cards in this set

Card 2

Front

what is heat energy measured in?

Back

joules

Card 3

Front

the amount of heat energy in something depends on...

Back

Preview of the front of card 3

Card 4

Front

when the particles are heated what happens to the material?

Back

Preview of the front of card 4

Card 5

Front

what is conduction?

Back

Preview of the front of card 5
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