A bit about those indestructible particles we call atoms which don’t change even when things melt or burn. Then questions about what happens when things burn and where the energy comes from when we respire food. Finally some new ways of thinking about respiration and combustion to help understanding of the role of oxygen.
Powerpoint to accompany the resource “Science Issues” (a free download) and some spectacular demonstrations, illustrating the role played by oxygen.
Used for school science 14-18 yr olds and also for teacher education.
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