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Students often don't recognise the difference between heating and burning. When asked what happens to a substance when it is heated they will say 'burn' when melting would be a more appropriate response. Students also do not always recognise the necessity of oxygen (or at least air) when things burn.
==Key Stage 3==
===Meaning===When [[Combustion]] is an [[exothermic]] [[Chemical Reaction|reaction]] that happens when a [[chemicalfuel]] burns in the presence of [[oxygen]] releasing [[Thermal Energy|thermal energy]] and [[light]].