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This fire began in a forest

This fire began in a forest. Long before the coal, living plants captured energy from sunlight.1/5
Follow a coal fire back through buried plants to sunlight. A journey through deep time, inspired by The Fairy-Land of Science.
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  1. This fire began in a forest.

    Long before the coal, living plants captured energy from sunlight.

  2. Leaves made the first deposit.

    Photosynthesis turned sunlight into chemical energy in plant matter.

  3. The forest went underground.

    Burial, heat and pressure transformed plant remains over millions of years.

  4. A flame unlocks the energy.

    Burning coal releases stored chemical energy as heat and light.

  5. Deep time. A present-day consequence.

    The energy becomes heat. Carbon in the coal also becomes carbon dioxide.

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