93059
Descripción
Mapa Mental por libby.holgate, actualizado hace más de 1 año
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Creado por libby.holgate
hace más de 11 años
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Moving heat
- Conductors-
transfer energy
through them. ie.
copper pan, stone
floors.
- Insulators- keep energy in.
ie- wooly jumpers, cotton
wool, loft insulation.
- People are colder in
the sea water
because the water
conducts the heat
from the body
- heat transfer
- when two places
are the same
temperature there
are no more heat
transfers
- Heat (thermal energy) always
moves from hot places to cold
places
- when two places
are the same
temperature there
are no more heat
transfers
- convection
- happens in liquid and gasses
- when liquids/ gasses get hot
they become less dense
- this makes them lighter than
the surrounding liquid/ gas
so the hot liquid/ gas rises.
the cold liquid/ gas then
sinks to take its place.
- this creates a convection current
- this creates a convection current
- this makes them lighter than
the surrounding liquid/ gas
so the hot liquid/ gas rises.
the cold liquid/ gas then
sinks to take its place.
- when liquids/ gasses get hot
they become less dense
- happens in liquid and gasses
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