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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, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.

In this activity, learners construct a device that allows them to view 2-D images in 3-D.

In this activity, learners construct a three-dimensional ambiguous cube to explore visual illusions and how our brains interpret or misinterpret information.

In this activity, learners work in partners to create and exchange messages written in Braille. Learners use a Braille key and thumbtacks to write their messages in Braille.

In this activity (7th activity on the page), learners use their sense of touch to identify mystery objects hidden in socks.

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

In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.

In this activity, learners investigate parallax, a method used to measure distances to stars and planets in the solar system.

In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

In this activity, learners will explore how the human brain interprets environmental stimuli.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners investigate the olfactory system by conducting several experiments.

In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

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 calculate the width (horizontal diameter) of the blind spot on their retina. Learners make a blind spot tester using a piece of notebook paper.

In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

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