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In this activity, learners conduct a simple test to find their blind spot.

In this activity, learners make some music by constructing a kazoo out of a simple plastic drinking straw. Use this activity to explore sound, vibrations, and music.

In this quick optics activity, learners use a dim point of light (a disassembled Mini MagLite and dowel set-up) to cast a shadow of the blood supply in their retina onto the retina itself.

Play with a slinky and make transverse waves. In this simple Exploratorium Science Snack, learners will experience making waves and will learn the different parts of a wave.

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

In this activity, learners will explore light and rainbows with this easy setup! Learners will only need a cup of water, some paper and a flashlight.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this optics activity, learners use glass and water to demonstrate total internal reflection (TIR).

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

In this activity, learners create a water prism to break light into the seven colors of the rainbow.

In this optics activity, learners use water to make a coin "appear" and "disappear." Use this activity to demonstrate how light refracts and introduce light as waves.

In this simple activity, learners explore ocean waves. To find out if water moves forward toward the shore, learners create waves in a simulated ocean (small aquarium tank of water).

Sound can travel through a variety of media.

Learners observe glow-in-the-dark objects in a homemade light-proof box. Objects can include glow sticks, glow-in-the-dark toys, and toys with fluorescent paint.

In this quick activity, Dracula has a hole in his house and learners help solve the problem by using a mirror and protractor to reflect incoming light out of his house.

This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?

Put a string around your head, and play it! Learn about vibration, sounds, and pitch.

We listen to stereo music systems, tv's, and radios because it simulates being where the sound originates.

In this activity about vision and optical illusions, learners conduct a simple test to demonstrate how our eyes create "afterimages." Learners stare at a black cardboard bat for at least 30 seconds an

Listen to the beat of gravity. By taking two strings with weights tied to them at different, yet uniform intervals, you can hear the uniformity (and rhythm) of gravity's accelerating pull.