Explore, Play, Discover: Websites, Activities, and More

Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.

Activities and History

Try these low-cost, teacher-tested activities for the classroom and the curious.

Lisa Miller is a mechanic and teacher who shows her auto shop students how to use their listening skills to fix cars.

A model for heart development

Pick one and guess the source

Recycle some cans to make after-dinner music!

Human corpses decay alfresco, all in the name of forensic science.

In this activity, students make bridges using an oil-based modeling clay (plasticene).

See if you can put these sounds back together in this sonic jigsaw puzzle.

Using a spectroscope, you may see that what appears to be a single color of light is really a combination of colors called a spectrum.

Meet a kinetic sculptor.

Use the numbers on four cards to make up equations that equal the number on a fifth card.

Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen.

Ever notice how noisy people are?

Pick one and guess the source

Explore the unknown world inside your brain with these fun activities.

How are emotional expressions built?

Bring movie, TV, and cartoon images to life.

Make a scale model of the Solar System and learn the REAL definition of "space."

Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.

Hold a paper airplane contest and discover which plane flies the best.

What kinds of candy are made and enjoyed in where you live?

Watch ancient text revealed and read for the first time in a thousand years!

Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.

Visit Kendon Candies, a lollipop factory in San Jose, California

What's really going on when you bake? Find out.

This is an easy grafting project for beginners.

An ordinary metal spoon can make some astounding sounds!

Close your eyes – and open your ears.