Shape some modelling clay into
the shape of a volcano and use your
thumbs to make a well for the inside
of the volcano.
2. Put a spoonful
of baking soda in the volcano well.
3. Put a few
drops of red food coloring in the
4. Pour a bit
of vinegar on top of the baking soda
and red food coloring and stand back.
to do this experiment outside as it
can be a bit messy.