}Target year group: year 3 and up (any year if supported)
cTime: 45 minutes to 1 hour
uLinks with art and outdoor learning
To learn about the properties of chemical substances.
The first step is to build the volcano—wrapping a jar in Play-Doh will do the trick, or use papier-mâché for those feeling a bit more ambitious. Decorate it with whatever scraps you have or some natural items from a park or garden, like pebbles, grass and flowers. Go outside or prepare for some clean-up inside.
To erupt your volcano:
1. Add two or three teaspoons of bicarbonate of soda to your plastic bottle/jar.
2. Pour in half a glass of warm water mixed with the red food dye.
3. Pour in approximately a glass full of (inexpensive) vinegar.
Follow-up question:
Does the shape of the volcano affect the direction the eruption travels?
This activity was created by Sally-Anne Yeomans, PGCE student in summer term 2020
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