Science Week / Walking Rainbow
Walking Rainbow
Children watch coloured water climb up paper towel bridges between cups and mix into new colours over time.
How to run it
- Line up six cups and fill every second cup with water.
- Add red, yellow and blue food colouring to the filled cups.
- Fold paper towel strips and bridge them between each cup.
- Check every 15 minutes to watch the colours travel and mix.
You will need
- clear cups
- paper towel
- food colouring
- water
- tray
Make it easier or harderYounger children name the new colours, while older children time and record the water's movement.
My Time Our Place · Outcome 4Children observe and predict changes over time.
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