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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.

During this activity, learners will make different versions of "ooze" using varied proportions of detergent and glue.

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.

Learners build models to learn about the special cells and structures that plants use to move water from their roots up through the stems and leaves.