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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 (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 investigate parallax, a method used to measure distances to stars and planets in the solar system.

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

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 (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color.

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

In this activity, learners construct three math puzzles out of simple materials like wood, string, and Styrofoam.

In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10.