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

In this activity, learners add squares to paper dominoes to make polyominoes.

In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.

The beautiful iridescent colors of a bubble in a can! With this Exploratorium Science Snack, create beautiful soap films on the open end of a can to see beautiful rainbows of color.

By making models of light waves with paper, learners can understand why different colors appear in bubbles.

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

This is an activity to do when there is a solar eclipse!

It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.

In this activity, learners build bridges using paper and explore how much weight each bridge design can support.

If you had a long tube with a 5 millimeter wide slit, would you see the entire Golden Gate Bridge?

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

Making liquids of different densities to perfectly lay on top of each other can be a frustrating exercise. The Exploratorium created this activity as a fool proof way of making a density column.

In this activity, learners use a hand-made protractor to measure angles they find in playground equipment.

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.

In this activity, learners discover how to rotate a flat shape into the third dimension. Learners draw and cut out a shape that has at least one straight edge on an index card.

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

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

With a straw, two craft sticks, and some rubber bands, construct a noisemaker called a Sound Sandwich and explore how vibration produces sound.

In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.

In this activity, learners construct a cereal chain as a model of how proteins are made in the cell.