We got some fizzy Vitamin C tablets. When they mix with water, they turn fizzy (they react together to give off Carbon Dioxide gas and this gas explodes the lid off the container).
We put some water into a container, added a fizzy tablet, put on the lid, counted
10,9,8,7,6,5,4,3,2,1 Blast Off.
The lid blasted off the container. When we caught the lid and put it back on, the top popped off….again and again. It was so exciting. After a while, no more gas was being made so the lid stopped popping .
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