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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.

In this activity, learners explore reaction time and challenge themselves to improve their coordination. Do you want to move faster? Catch that ball that you never seem to see in time?

In this activity, learners explore how their depth perception would be affected if they only had one eye. Learners work in pairs and attempt to drop a penny in a cup with one eye covered.

In this neuroscience activity (5th activity on the page), learners explore their sense of touch without using their senses of vision and hearing.

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

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

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

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

In this quick activity/demonstration (5th on the page), learners explore depth perception.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this matching activity (3rd activity on the page), learners use their sense of smell to match pairs of opaque containers filled with various smelly items like orange peel, roses, or moth balls.

In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

In this fun optics activity, learners explore principles of light, reflection (mirrors), and perception. Learners work in pairs and sit on opposite sides of a "two-way" mirror.

In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

During this activity, learners take part in a variety of tasks which involve moving and balancing different body parts.

This is a quick and simple demonstration about reflexes (second activity on the page).

In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.

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