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The baking soda volcano

materials a spon baking soda 100 ml vinegar

modeling plasticine

a glass

a container

red coloring food

steps :

first, make the shape of a volcano using a glass or a bottle on a container, and modeling plasticine : next, pour a spoon of baking soda in the volcano's well.

Then, put a few drops of red coloring food on the well.

After that, pour the vinegar on the top of the baking soda.

And the food coloring.

Finally, stand back to see the result.