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In this two-part activity, learners use household items to smell the difference between some stereoisomers, or molecules which are mirror images of one another.

In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

In this activity, learners make a Benham Top to explore visual illusions and optics.

In this neuroscience activity (4th activity on the page), learners make their own set of Von Frey hairs to test detection thresholds.

In this optics activity, learners discover that when they rotate a special black and white pattern called a Benham's Disk, it produces the illusion of colored rings.

In this activity (2nd activity on the page), learners explore the sensitivity of their sense of touch.