it expands. its volume increases, so the density of the ice is smaller than the density of liquid water, so it floats because its lighter than the equal volume of liquid water
1 of 13
convection in water
the hot water particles move faster, they bash into each other and knock each other further apart. this means the hot water is less dense. it floats on the denser cold water
2 of 13
convection in air
the radiator heats up the room by letting of heat, this causes the particles to move around faster which means they spred out and become less dense and float up all around the room.
3 of 13
facts
the transfer of thermal energy through space from the sun and earth is called RADIATION
4 of 13
facts
heat energy is transfered through the base of the saucepan by CONDUCTION
5 of 13
facts
heat energy is tranfered through the water in the saucepan by CONVECTION
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facts
some energy is transfered from the hotplate to the air by RADIATION
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facts
the handle of the sausepan is made from wood because wood is a good INSUALTOR
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independent
the one we change
9 of 13
dependent
the one we measure as a result
10 of 13
control
the ones we keep the same
11 of 13
usefull energy transfer
does what we want
12 of 13
wasted energy
energy is being dissipated in ways we dont want
13 of 13
Other cards in this set
Card 2
Front
the hot water particles move faster, they bash into each other and knock each other further apart. this means the hot water is less dense. it floats on the denser cold water
Back
convection in water
Card 3
Front
the radiator heats up the room by letting of heat, this causes the particles to move around faster which means they spred out and become less dense and float up all around the room.
Back
Card 4
Front
the transfer of thermal energy through space from the sun and earth is called RADIATION
Back
Card 5
Front
heat energy is transfered through the base of the saucepan by CONDUCTION
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