• Question: what is fire?

    Asked by reginageorge to Anzy, Aoife, Dave, Matt, Tomasz on 14 Nov 2013.
    • Photo: David Christensen

      David Christensen answered on 14 Nov 2013:

      Fire is a reaction between something that burns and oxygen in the air to give out heat and light. Chemists call that an exothermic reaction because it gives out energy.

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