Conduction is when energy is passed from one particle to another via contact. For example heat is passed from your skin to a window when they touch.
Convection is when particles with energy rise, the space they leave is filled by other particles. If the source of energy continues these new particles will also gain energy, they will then rise and the process will be repeated.
Radiation is when heat is transferred as infra red waves. These waves can travel through space and be conducted or reflected.
These energy transfers are all for heat energy.
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ReplyDeleteA very common question in physics papers is a 5 mark question of convection so as a little bit of expansion to what was already said air is heated causing it to expand meaning it is less dense so it rises cooler air sinks and takes its place causing it too to be heated this creates a continuous of cycle of air being heated expanding and rising
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