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

Listen to the story of Ladle Rat Rotten Hut.

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.

Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.

See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.

What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.

What's the science behind a home run? Why do curveballs curve? Learn about the game from players from the S.F. Giants & Oakland A's.

Learn about the most important piece of equipment-- your feet!

With just mud, paper and an egg, you can grow colonies of multi-hued microbes!

A naked egg is an egg without a shell. Using vinegar, you can dissolve the eggshell without breaking the membrane that contains the egg.

Find out why people who love birthday parties should move to Mercury.

A model for heart development

Want to see where the biggest quakes have been this week? Follow a few of the links below to see what's shaking in your neighborhood and around the world.

Learn how Hubble Telescope scientists put together those lovely pictures.

Make a fantastic toy that shimmers when you shake it.

Sperimenta interattivamente l'illusione del muro del caffé.

Activités pour la classe élémentaire.

Learn how to bridge the digital generation gap

Map sunspots and build an apparatus for safe sunspot viewing!

See why these beautiful flowers have attracted generations of admirers.

Get messy with ExploraGoo and Outrageous Ooze! Get airborne with the Fabulous Foam Flyer! Get loud with the Water Gong or Straw Oboe!

Do hot water and cold water mix?

A multifaceted exhibition that explored genetics and the Human Genome Project from a variety of perspectives from April 8 to September 4, 1995.

Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.

With just mud, paper and an egg, you can grow colonies of multi-hued microbes!

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

Discover the difference between taste and smell.

It's not just the moon that causes ocean tides.

Follow our crew as they visit the Dry Valleys and hike the slopes of volcanic Mt. Erebus.

See how TV screens create images from many tiny colored dots of light.

How do scientists establish the age of artifacts, rocks, and settlements?

anatomy of a skateboard, skateboard tricks, types of skateboarding, physics glossary.

An ordinary metal spoon can make some astounding sounds!

The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.

Read stories and see footage from the 1989 Loma Prieta earthquake.

What happens to sandy or fine-grained soils when an earthquake shakes them up? Try this simple activity to find out.

Find out why biodiversity benefits plants and people alike.

Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.

Interact with the Cafe Wall Illusion.

Where is the Center of the Universe? Here, there, and everywhere.