Christmas Science Experiment

Here is one of the most colourful science experiments you can try at Christmas.
MATERIALS:⠀
- Baking soda⠀
- Food colouring
- Water
- Ice tray
- Vinegar
- Hand wash
INSTRUCTIONS:⠀
(1) Add a few drops of food colouring to baking soda, add a little bit of water and mix
(2) Repeat with different colours.⠀
(3) Add the mixtures to your ice tray⠀
(4) Freeze until solid
(5) Lay them out in a deep bowl
(6) Add hand wash to vinegar and mix
(7) Pour the mixture over the frozen shapes and watch them fizz
(: Mix up the foam to create colourful art
SCIENCE EXPLANATION
When we mix vinegar and baking soda, they react and produce a gas - carbon dioxide. We added soap into the mix. So the gas blows bubbles, creating a lot of foam.