Sweet and sour r

Sweet & Sour

Te Reka me te Kawa

Acid and base chemistry in the context of foods that students will be familiar with. Test tubes, indicators, colour change and fizzing will have your students engaged from go to whoa. The littlies make sherbet and experience chemical reactions in their mouth. Slightly older students can observe pH paper change colour with the variety of chemicals in their student kits. Staying with the indicator theme they can make their own colour changing liquid using the red cabbage. Neutralisation is explored using baking soda and vinegar.

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