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  • Tinkering at Home

    Try this collection of prompts for tinkering at home.

  • Learning Toolbox: Engage in activities about the science of coronavirus and explore our online resources for learning at home.

  • Explore water's crucial role in food and cooking.

    Science of Water: Food   Explore water's crucial role in food and cooking.

  • Shadow Box exhibit

    Browse our growing online collection of interactive exhibits.

  • Global Climate Change Explorer • Discover how researchers study climate change and examine the latest scientific data.

  • Science Snacks

    Low-cost, teacher-tested activities for the classroom and the curious.

  • Wired Pier Environmental Field Station • Explore weather, air quality, and water conditions from San Francisco Bay

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

Dive into websites, activities, apps, and more.

Studio for Public Spaces: Field Notes
Studio for Public Spaces: Field Notes

An incubator for innovative public space ideas, projects and news

TV Dots
TV Dots

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

Ancient Observatories
Ancient Observatories

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

Arctic Seals
Arctic Seals

These unique – and uniquely beautiful – seal species spend their lives amid the sea ice

Sound Bite
Sound Bite

Bone conduction is another pathway to listening.

Turbulent Orb

The Turbulent Orb flows like the surface of Jupiter.

Rock Candy Recipe
Rock Candy Recipe
Skateboard Science
Skateboard Science

Find out how this extreme sport is governed by the principles of momentum, gravity, friction, and centripetal force. Learn skateboarding history, technology, and more!

Supercooled Water Drops
Supercooled Water Drops

Touch supercooled water drops with an ice crystal and trigger them to freeze instantly.

Paper Bridges
Paper Bridges

Build a bridge from a piece of paper and explore ways of making it stronger.

Hockey Check Force Calculator
Hockey Check Force Calculator
Peter Whitehead
Peter Whitehead

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

Planaria

A window on regeneration

Monster Mallows
Monster Mallows

Grow marshmallows to monstrous proportions!

Look Inside a Tooth
Look Inside a Tooth

Teeth are the most common fossils found. What can they tell us?

Bird Call Quiz
Bird Call Quiz

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

Center of the Universe
Center of the Universe

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

Behind the Screen: Making Motion Pictures and Television
Behind the Screen: Making Motion Pictures and Television
Chichen Itza
Chichen Itza

A brief history of Chichen Itza.

Why do you do what you do?

Oil Spot Photometer

Measure the brightness of the sun using cooking oil and a white card.

Double Trouble
Doubling Pennies

It's easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times?

Seismic San Francisco
Tour San Francisco's geologic past with Exploratorium Educator Ken Finn.
Light Instruments:  Designing and Building
Light Instruments: Designing and Building

Design and build a musical instrument that responds to changing light.

The Science of Surfing
The Science of Surfing

A little physics can go a long way on that shortboard.

Geology for Fossil Hunters
Geology for Fossil Hunters

Search a geological map of Ethiopia for fossils.

Guillermo Galindo: Interview

Experience Guillermo Galindo's thoughts on his boundary-breaking musical works.

Science of Gardening: Bloom
Science of Gardening: Bloom

The brightest buds get all the glory – but they're not just for show.

Make a
Make a "Mummy"

Create your own fish mummy using common baking soda!

What's New In the World
What's New In the World

Stories about science, art, and human perception—from 1998. 

Exploratorium Magazine
Exploratorium Magazine

From 1977 until 2003, the Exploratorium published a quarterly magazine. The Exploratorium Magazine Online is a companion to selected issues of the print magazine, providing key articles and activities and including multimedia features.

Bird Call Quiz
Bird Call Quiz

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

Magnetic Fruit

Watch a magnet repel a grape and consider different types of magnetism.

Spiedini e Bastoncini da Giardinaggio
Spiedini e Bastoncini da Giardinaggio
From Jungle to Lab: The Study of Life's Complexity
From Jungle to Lab: The Study of Life's Complexity

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

Viewing the Stereographs
Viewing the Stereographs

About Anaglyphs. How do I make 3-D glasses?

International Polar Years
International Polar Years

Four times over 100-plus years, major initiatives have brought together scientists from around the globe to collaboratively study the poles.

Arctic Seals
Arctic Seals

These unique – and uniquely beautiful – seal species spend their lives amid the sea ice

Turning Point Activity
Turning Point Activity

When you ride a bike in a straight line, you must make many minor corrections in order to stay upright.

Total Solar Eclipse from Turkey: March 29, 2006
Total Solar Eclipse Turkey 2006
Recorded Voice
Recorded Voice

Most people abhor the sound of their own recorded voice. So what are these recording devices doing to our voices to make them sound so awful?

An Artist Looks at Life on an Undersea Volcano
What's a painter doing on this scientific research ship?
Science of Coffee
Science of Coffee

What's in that cup of coffee anyway? Find out about the history and chemistry of coffee.

Science of Cooking
Science of Cooking Archive

Explore the science behind food and cooking with recipes, activities, and archived Webcasts.

The Dirt on Dirt
The Dirt on Dirt

Get down and dirty with the surprising science of soil.

Your Age on Other Worlds
Your Age on Other Worlds

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

Why Save Seeds?
Why Save Seeds?

Find out why biodiversity benefits plants and people alike.

Skateboard Design
Skateboard Design

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?

Sound Automata (pdf)

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.

Which Embryo is Human?
Which Embryo Is Human?

Can you tell the difference between human and nonhuman embryos?

Finger Test for Doneness
Finger Test for Doneness

Your thumb and index finger can help you test a steak's degree of doneness.

Investigating Alkali
Unlock the mystery behind corrosive dust of the Black Rock Desert.
Crusty Science: Bread
Crusty Science: Bread

Join us as we crunch our way through everything from our San Francisco sourdough to Injera and Pugliese.

The Domino Effect
The Domino Effect (pdf)

Use dominoes to model a nerve cell's transmission of a signal

Vocal Vowels
Vocal Vowels

Hear vocal tract models transform the squawk of a duck call into vowel sounds.

Make Your Own Telescope
Make Your Own Telescope

Make your own refracting telescope from a pair of reading glasses.

Remembering Loma Prieta
Remembering Loma Prieta

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

Clay Beams
Clay Beams

This clay building activity shows that when you make things bigger, weight increases faster than strength.

Make Your Own Petroglyph
Make Your Own Petroglyph

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

Total Solar Eclipse: Live From Turkey
Total Solar Eclipse: Live From Turkey

On March 29, 2006, a total solar eclipse occurred when the new moon moved directly between the sun and the earth. The moon’s shadow fell on the eastern tip of Brazil, sped eastward across the Atlantic, through northern Africa, across the Mediterranean, an

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