keywords-Engery transfer by heating

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infrared radiation
electromagnetic waves between visable light and microwaves in the electromagnetic spectrum.
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emit
give out radiation
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absorber
a substance that takes in radiation
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emitter
a substance that gives out radiation
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reflector
a surface that reflects radiation
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solid, liquid and gas
states of matter
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conduction
transfer of energy from particle to particle in matter
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conductor
material/object that conducts heat/engery or electricity, this only appears in solids
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free electron
electron that moves about freely inside a metal and is not held inside an atom
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insulator
material/object that is a poor conductor
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convection
transfer of engery by the bulk movement of a heated fluid
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fluid
a liquid or gas
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convection current
the circular motion of matter caused by heating in fluids
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evaporation
turning from liquid into vapour
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temperature
the degree of hotness of a substance
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condensation
turning from vapour/gas into liquid
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temerature difference
difference in temperature between two points
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maximise
make as big as possible
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minimise
make as small as possible
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specific heat capacity
energy needed by 1kg of the substance to raise its temperature by 1 degree celsius
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mass
the quantity of matter in an object: a measure of the difficulty of changing the motion of an object (in kilograms, kg)
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engery transfer
movement of energy from one place to another or to one form or another
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solar heating panel
sealed panel designed to use sunlight to heat water running through it
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Other cards in this set

Card 2

Front

give out radiation

Back

emit

Card 3

Front

a substance that takes in radiation

Back

Preview of the back of card 3

Card 4

Front

a substance that gives out radiation

Back

Preview of the back of card 4

Card 5

Front

a surface that reflects radiation

Back

Preview of the back of card 5
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