GCSE Physics Fichas sobre Energy transfer by heating, creado por nadine pownall el 18/05/2016.
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Creado por nadine pownall
hace alrededor de 8 años
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Cerrar
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Creado por nadine pownall
hace alrededor de 8 años
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How does the temperature of an object affect the rate at which it emits infrared radiation ?
What is a vacuum ?
Why are houses in hot countries often painted white ?
Why are the pipes at the back of a fridge often painted black ?
How is the arrangement of the particles in a liquid different from that in a solid ?
How is the arrangement of the particles in a gas different from that in a liquid ?
Why are saucepans often made of metal with wooden handles ?
Why are materials that trap air good insulators ?
Why doesn't convection occur in solids ?
Why does a fluid become less dense when it is heated ?
What effect would decreasing the surface area of a liquid have on the rate of evaporation ?
What effect would decreasing the surface area of a liquid have on its rate of condensation ?
Why does painting an object dull black maximise the rate of energy transfer ?
Why does trapping air in small pockets minimise the rate of energy transfer ?
The specific heat capacity of oil is 2100 J/kg degrees C. How much energy is needed to raise the temperature of 1 kg of oil by 1 degrees C ?
The specific heat capacity of water is 4200 J/kj degrees C. How much energy is needed to raise the temperature of 2kg of water by 1 degrees C ?
Why is fibreglass a good insulator ?
Why are the pipes that contain the water in a solar heating panel often painted black ?
