Burning: an irreversible change
Lesson 12 / 20
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I can describe burning as an irreversible change, where a new material is formed.
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When a substance burns, it produces a flame.
For burning to take place there has to be fuel, oxygen and a high enough temperature.
When things burn, new materials are usually formed.
Burning is a change that cannot be reversed.
Burning materials can be observed closely as they change over time.
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