P066 - Making bath bombs
An activity where children observe a non-reversible reactions leading to a change of a material.
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P080 - Fire writing
A practical activity where children write and reveal hidden messages using food and fire.
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P057 - Vinegar and bicarbonate fire extinguisher demonstration
A teacher demonstration about density, floating and sinking that uses carbon dixoide gas and air, rather than solids and liquids.
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P018 - Investigating burning
An activity where children burn small samples and observe what happens when they are put directly into a naked flame.
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