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In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.

In this activity (1st on the page), learners keep a "SLOG" or Sleep Log to study their sleep patterns.

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

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

In this activity (2nd activity on the page), learners explore how the nose is responsible for part of the flavor we taste in food.

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

In this activity (2nd on the page), learners conduct a series of tests to find out which foot is more dominant. In other words, are they right-footed or left-footed?

In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each

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 (26th on the page), learners construct an easy-to-build device and test motor learning.

In this activity (3rd on the page), learners conduct a series of tests to find out which of their eyes is more dominant.

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.

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 activity (9th activity on the page), learners work in pairs to see how their perception of touch differs from reality.

In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods.

In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.

In this activity (17th on the page), learners investigate why you cannot see colors in dim light.