Superhero Day / Super Goop
Super Goop
Children mix cornflour and water into a strange goop that feels solid when punched and runs like liquid when held.
How to run it
- Mix two cups of cornflour with one cup of water in a tray.
- Add a few drops of food colouring.
- Let children punch, squeeze and drip the goop.
- Talk about why it acts like both a solid and a liquid.
You will need
- cornflour
- water
- food colouring
- trays
Make it easier or harderYounger children explore freely, while older children test different cornflour-to-water amounts.
SafetyScrape leftover goop into the bin, not the sink, and wipe spills quickly to prevent slips.
My Time Our Place · Outcome 4, Outcome 3Children investigate a surprising material and explain what they notice.
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