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In this fun gardening activity, learners discover their soil type. There are three basic soil types: sand, silt, and clay.

In this hands-on botany activity, learners sprout vegetables in film canisters.

In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.

In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.

In this activity, learners arrange triangles together to make patterns to create paper quilts. Learners experiment with arranging the triangles in different ways to make various designs.

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

Create a simple dual pendulum and get them to swing in identical ways. This is a simple, low cost, activity produced by the Exploratorium.

In this activity, learners play a game and use pattern blocks to explore mirror images and reflection.

With three cans and some tape, make a drum that you bonk down on any surface to produce a variety of sounds. This activity also teaches you about pitch, vibration, and frequency.

Closing one eye eliminates one of the clues that your brain uses to judge depth. Trying to perform a simple task with one eye closed demonstrates how much you rely on your depth perception.

Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.

Sound can travel through a variety of media.

In this online version of the classic paper and pencil game, learners practice looking ahead to anticipate an opponent's move.

Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

Testing magnets is always a fun pastime, but here, we're going beyond "will it attract the magnet?" In this activity, learners will investigate which materials allow magnetic fields to pass through or

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.

Create an instrument that you don't play--you just listen to it through tubes of various lengths.