exploratorium
Showing 181 to 210 of 9203 results found.
Explore Gluten
Activity
Explore Gluten

Explore gluten, the substance that gives bread its structure.

The Race of Microorganisms
Activity
The Race of Microorganisms

Pickling is the art of manipulating the microbial garden in foods.

Jitterbug
Activity
Jitterbug

Build a simple motorized toy made of a recycled CD and a DC motor.

Ice Balloons
Activity
Ice Balloons

What can you do with a frozen water balloon? Plenty!

Color Chromatography
Activity
Color Chromatography

Discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.

Bottle Blast-Off
Activity
Bottle Blast-Off

Make a simple rocket and a rocket launcher, and watch a demonstration of how the finished rocket will fly.

Bee Hummer
Activity
Bee Hummer

Make a simple musical instrument that sounds like a swarm of buzzing bees when you spin it around.

Saving Seeds, Saving Culture
Activity
Saving Seeds, Saving Culture

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

The Dirt on Dirt
Activity
The Dirt on Dirt

Get down and dirty with the surprising science of soil.

Plant Hybrids
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Plant Hybrids

If you're a patient gardener, you can grow your own hybrid flowers.

Whip Graft
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Whip Graft

This is an easy grafting project for beginners.

Afterschool Activities: Sound Sandwich
Activity
Afterschool Activities: Sound Sandwich

Make a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.

Stripped-Down Motor
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Stripped-Down Motor

Build a stripped-down motor, a simple, easy-to-make version of the electric motors found in toys, tools, and appliances.

Seasons and Alignments
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Seasons and Alignments

Does the sun rise in the east? Not exactly.

How Old Is It?
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How Old Is It?

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

Breaking the Mayan Code
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Breaking the Mayan Code

Learn to count like the Maya by studying one of their ancient stone documents.

The Mayan Calendar Round
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The Mayan Calendar Round

Did you know the Maya used two calendars? How did they know when to plan their big New Year's parties?

Seasons and Shadows
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Seasons and Shadows

Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!

Make Your Own Petroglyph
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Make Your Own Petroglyph

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

Modeling the Seasons
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Modeling the Seasons

See for yourself how the tilt of the earth's axis results in what we experience as the seasons.

Knowing North
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Knowing North

Stand outside on a sunny day with a watch in your hand, and you can tell which way is north.

Whirling Watcher
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Whirling Watcher

Make a spinning disc called a stroboscope, which lets you create your own animated cartoon.

Water Bottle Membranophone
Activity
Water Bottle Membranophone

Staff member Vivian Altmann presents the "Snack" Water-Bottle Membranophone." Make some noise with simple materials.

Solar Images
Activity
Solar Images

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

Any Little Patch of Dirt
Video
Any Little Patch of Dirt

A trash-filled median blossoms into a community oasis.

Three Ways to Make a New Plant
Activity
Three Ways to Make a New Plant

Learn how grafting, hybridizing, and transgenics have transformed cultivation.

Tuning
Activity
Tuning

Find out what all that fiddling around before a concert is really about.

Stepping
Activity
Stepping

Stepping is rhythmic movement that uses the body as an instrument.

Peter Whitehead
Activity
Peter Whitehead

Peter Whitehead is an instrument builder, performer, and composer.

Sad Music
Activity
Sad Music

Our reactions may be trained, but the devices that make music sound "sad" are real enough.

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