20 February 2011
Yesterday we decided to combine play and crafts with a science experiment and make a playdough volcano. We started with playdough, a little jar and a tray.
We molded the playdough around the jar to make a little volcano.
We fetched some vinegar, red food colouring and bicarbonate of soda (baking soda), half filled the jar with vinegar (we didn't have white vinegar so used malt vinegar but it worked fine) and added a little of the red food colouring.
Tip: Open a window before making your playdough volcano as the vinegar smell is pretty strong!
We added a teaspoon of bicarbonate of soda and watched to see what happened.
Then we did it again and again.
Sunnyboy - "Wow! I didn't know I could make a volcano!"
Volcano videos and links for children
A volcano painting
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Carnival of Small World Play at NurtureStore.