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Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction.

In this activity, learners make different shapes that hold exactly one mole of gas (air).

In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent.

Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.

In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

Learners build a filter from old soda bottles and dirt. They create polluted water, and pour it through their filter to clean it.