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Learners explore three-dimensional geometric frames including cubes and tetrahedrons, as they create bubble wands with pipe cleaners and drinking straws.

In this activity, learners observe what happens when they give a light source like a neon glow lamp a "Bronx Cheer." The lights appear to wiggle back and forth and flicker when learners blow air throu

In this activity, learners explore the invisible infrared radiation from an electric heater.

In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.

Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended!

In this activity, early learners create paintings by making music and rhythm. Learners place paper in cans, add paint-soaked beans (or pebbles) and put the tops on.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

Learners design and create musical instruments from common objects; their challenge is to create an instrument that can make three different tones.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

In this physics activity (page 4 of the PDF), learners will--using nothing more than a coat hanger and some string--explore and understand sound energy and how it moves.