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

In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.

In this activity, learners discover a brain process called habituation.

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

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

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

In this activity about depth perception, learners create an optical illusion in a shoe box.

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

In this optics activity, learners build an animation tool to make mini movies. When you spin a phenakistascope, the pictures move so quickly that your eyes and brain can't separate the images.

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

Educator Amy O'Donnell from the American Museum of Natural History guides learners to create a diorama of a coral reef.

In this activity (3rd activity on the page), learners taste test different foods and categorize them as sweet, bitter, sour, or salty. Learners compare their results with the group.

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

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 activity, learners conduct an experiment to test how fast they can react. Learners try to catch a piece of paper with a ruler printed on it (or a ruler) as quickly as they can.

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

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

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