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

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

Los movimientos del ojo hacen parecer que el dise�o brilla.

The three most densely populated cities on the planet where seismologists expect major earthquakes are San Francisco, Tokyo, and Istanbul. Find out why the effects in each city will be very different.

Take a microscopic tour of the staff of life.

Try your hand at explaining symbols both modern and ancient, and then make your own.

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

Can you trust your own memory? Find out with this activity.

Use this handy conversion calculator to convert between the many units found in recipes.

Play a memory concentration game: Listen closely then match pairs of sounds.

Demonstrations of electric Robo-Cars made by 22 Science Summer students.

Study ultraviolet radiation from the sun and other sources using UV beads.

Before there were clocks, people used shadows to tell time!

An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.

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

Dig into the succulent science of making things grow.

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.

High energy prices got you down? Discover how pickles can ease your troubles.

Is it just a glorified plank with roller skate wheels on it? Or is it a highly engineered device through which kids have reclaimed the urban landscape, bringing creativity and style back to the sterile asphalt spaces of sprawl?

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

Explore the surrounding sounds that everyday objects make. Build a noise contraption from these objects, then add a PicoCricket to automate your contraption. Finally, add a light sensor and program your sound automata to "play" when triggered by light.

Search a geological map of Ethiopia for fossils.

"Mac Town," the first stop for many scientists in Antarctica, is the same as any town–only different.

Explore the process of extracting DNA from Neanderthal bones.

Explore an interactive map.

For most of us, science arrives in our lives packaged neatly as fact. But how did it get that way?

Meteor, meteorite, meteoroid – what's the difference?

Learn how living things get energy from dead ones in this interactive exhibit.