This is a very fun messy play activity which will amaze children of all ages. It's a great way to explore colour mixing and simple science as well as being a really fun sensory experience.
: 30 minutes
: Any age
Layer of baking soda in the bottom of a shallow tray
The fun begins
Watch the colours fizzing, flowing and mixing
Pretty bubbling colour swirls
Get stuck in with hands at the end for fun sensory play
Watch the colours bubble and fizz
Add different colours to the bottle to explore colour mixing
We had added less vinegar with the spray bottle and the paste at the end was drier and grittier than with the first box
How does it work? The acetic acid in the vinegar reacts with the alkaline sodium bicarbonate in the baking soda to form sodium acetate, water and carbon dioxide. The bubbles you see are from the carbon dioxide gas escaping the solution.
Check out some other fun ideas with baking soda
#5 to 10s
#Fine Motor Skills
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