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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

In this activity, learners explore acids and bases by preparing six solutions that combine vinegar and ammonia, ranging from acid (all vinegar) to base (all ammonia).

In this activity, learners investigate vitamin C.