University of Washington

In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

In this activity (1st on the page), learners find their blind spot--the area on the retina without receptors that respond to light.

In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th

In this activity about olfaction (9th activity on the page), learners smell 10 different items with different odors, including some edible food items.

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

This is a quick and simple demonstration about reflexes (fourth activity on the page). One learner stands behind a see-through barrier like a window or wire screen.

In this activity (4th on the page), learners conduct a series of tests to find out which of their ears is more dominant.

In this easy demonstration (3rd on the page), learners explore depth perception by conducting a test with two pencils.

Are fingers the only place on the body where we use our sense of touch? In this activity (6th activity on the page), learners test the touch sensitivity of different parts of the body.