The Exploratorium

In this activity, learners make a simple spring-like scale using a rubber band instead of a spring, and calibrate the scale in newtons (N).

In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.

In this activity, learners build a Wilberforce Pendulum, a special coupled pendulum in which energy is transferred between two modes of vibration, longitudinal ("bounce') and torsional ("twist"), on a

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.

This is a lesson plan for an activity in which learners, playing the role of archeologists, use math concepts about number bases to decipher the Dresden Codex, an ancient Mayan document.

In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals.

Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.

This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!

In ancient Chaco Canyon, the people used a "sun dagger" petroglyph to mark the passing of seasons.