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In this activity, learners take their own pulse and explore how heart rate is affected by various activities.

A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b

Build a phonograph record player using a cactus needle, a record, LEGOs gear box, and a piece of paper! This activity uses a Pico Cricket to turn the motor.

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!

Many common household cleaners are antimicrobials.

This activity requires a Pico Cricket (tiny computer).

In this activity, learners construct wands that play different notes depending on information from light sensors programmed via a PICO Cricket.

In this interactive game, learners listen to the songs of four different thrushes and then try to match each bird with its song.

Build a musical ice theremin by programming a micro controller, like a Pico Cricket to respond to resistance generated by the ice melting, or the ice being touched.

How many colors make black? Gather as many water soluble black markers as you can find.

From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.

Put on a pair of gloves and be the conductor of your invisible orchestra!

This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.

This is a simple activity for learners to create a traditional musical instrument. Pan Pipes have developed all over the world in different cultures, from South America to Greece and China.

Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.

This is a web page that helps informal educators brainstorm on how to use a Pico Cricket (tiny computer) in an informal activity.

In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.

Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.

The Sacred Cenote at Chichén Itzá is a sink hole, or well, containing groundwater. In this activity, learners create their own cenote using chalk, limestone, acids, and rain water.

By building a model of a lung and diaphragm, learners discover the function of various parts of the body's respiratory system.