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Science Day- Mixing Materials

Today was science day! One of the experiments was all about mixing materials. 

We had 4 solids (plaster of paris, bicarbonate of so, soda crystals and Andrew's Salts) to mix with 3 different liquids (water, lemon juice and vinegar). The aim of the experiment was to observe which materials dissolved, which were insoluble and which produced an irreversible chemical reaction (fizzing).