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In this activity, learners will build the highest tower they can out of recycled materials.

In this activity, learners make their own bath bomb fizzies and experience what happens when they mix a base and an acid.

In this activity, learners will experiment with changing flower colors. Learners will investigate the effects of acids and bases on flower colors.

In this activity, learners will explore acid-base reactions and create their own bubbly results.

In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.

In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister.

Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.