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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.

Going Up? Get Fit
Going Up? Get Fit

The 18,000-foot Mt. Parinacota presents some fitness challenges for climbers.

Scratch Film (pdf)
Scratch Film (pdf)

Scratch Film, also known as Direct Animation, is the process of drawing and scratching designs directly onto film.

Infinity Room: A Temporary Immersive Environment Experiment by Refik Anadol

Where are you in infinity? Try the Infinity Room.

Experience the thrill of Strandbeest: The Dream Machines of Theo Jansen.

MER Tools of the Trade
MER Tools of the Trade

The Instruments Aboard the Mars Exploration Rover

How to Build a Spectroscope
How to Build a Spectroscope

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.

People of the Arctic
People of the Arctic

Who lives in the Arctic, and how did they get there?

Neanderthal Bones
Neanderthal Bones

Explore the process of extracting DNA from Neanderthal bones.

The Nose Knows
The Nose Knows (pdf)

Discover the difference between taste and smell.

Meet the Artist: Paul Spooner

Meet Paul Spooner, an automata artist showcased at Curious Contraptions.

Beyond Einstein: World Wide Webcast
Beyond Einstein: World Wide Webcast

In celebration of Albert Einstein's work in 1905, science laboratories and museum around the world (including the Exploratorium) participated in a twelve-hour webcast that explored Einstein's influence on current physics research.

Blindfolded Walk
Blindfolded Walk

Close your eyes – and open your ears.

Surfing
Hang Ten

By looking at satellite and climate data that's available on the Web, surfers can follow storms into shore and be there in time to catch the biggest waves.

Dot Mixer
Dot Mixer

Produce some pretty mixed-up music with this online interactive.

Make Your Own Telescope
Make Your Own Telescope

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

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.

Why Save Seeds?
Why Save Seeds?

Find out why biodiversity benefits plants and people alike.

Building A Virtual Skull
Building A Virtual Skull

Explore the process of reconstructing a skull as a 3-D model.

Beyond Einstein: World Wide Webcast
Beyond Einstein: World Wide Webcast

In celebration of Albert Einstein's work in 1905, science laboratories and museum around the world (including the Exploratorium) participated in a twelve-hour webcast that explored Einstein's influence on current physics research.

In The Studio

Go into the studio with some of the automata artists from our Curious Contraptions exhibition.

Plate Tectonics
Plate Tectonics

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

Organ Builders

Get to know the grandfather of all instruments: the pipe organ.

Clay Bridges
Clay Bridges

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

The Science of Surfing
The Science of Surfing

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

Modeling the Seasons
Modeling the Seasons

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

Welcome to the Third Dimension
Welcome to the Third Dimension

These tricky pictures shift and change as you look at them.

Science of Sugar
Science of Sugar

Get up close and personal with a sucrose molecule.

Evidence: How Do We Know What We Know?
Evidence: How Do We Know What We Know?

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

Drives & Gears
Drives & Gears

What is a gear ratio? And how do gears help make the bicycle so efficient?

Modulated LED: Introduction

Turn sound into light and back again.

Height Site
Height Site

Make a tool that lets you measure how tall a building is or how high a rocket flies.

Rock Candy Recipe
Rock Candy Recipe
Frozen Frogs
Frozen Frogs

By passing the winter frozen as solid as a holiday fruit cake, the wood frog breaks all rules. Scientists hoping to preserve human organs are paying close attention.

Mona
Mona

La famosa modelo de Leonardo es usada en un interesante experimento de percepci�_n.

The Amazing Water Trick
The Amazing Water Trick

Do hot water and cold water mix?

Traits of Life: Related Links
Traits of Life: Related Links

See links relevant to the themes presented in the Traits of Life exhibition.

Alonzo King LINES Ballet and Bernie Krause: Performance

Get mesmerized by choreographer Alonzo King and soundscape artist Bernie Krause.

Light Play
Light Play

Explore light, shadow, and motion using a variety of simple materials and light sources.

Space Invaders
Space Invaders

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

Viewing the Stereographs
Viewing the Stereographs

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

Chichen Itza
Chichen Itza

A brief history of Chichen Itza.

Putting Something on the Ball
Putting Something on the Ball

When you pick up a baseball, it immediately suggests its purpose: to be thrown fast and with considerable accuracy.

The Science of Surfing
The Science of Surfing

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

How Old Is It?
How Old Is It?

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

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.

Chaco Canyon

Come with us to Chaco Canyon in northwestern New Mexico, which is rich with thousand-year-old artifacts of the ancient Pueblo culture and contains sites that appear to have been astronomical observatories.

Behind the Screen: Making Motion Pictures and Television
Behind the Screen: Making Motion Pictures and Television
Iron Science Teacher
Iron Science Teacher

Each webcast, the Exploratorium staff and teachers demonstrate their science projects and compete for the title of IRON SCIENCE TEACHER!

About Alignments
About Alignments

The Maya were expert sky-watchers, careful observers of the motions of the celestial bodies...

Ancient Writings Revealed
Ancient Writings Revealed

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

Building for the Big One
Building for the Big One

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.

Brain Explorer
Brain Explorer

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

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?

A Record of the Moment
Groove with the history and technology of vinyl records.
Flipbooks
Flipbooks

Use printable images from our time-lapse movies to make flipbooks–handheld animations that you can make at home.

Zebrafish

A model for heart development

Pi Day
Pi Day

Activities and History

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.

Ear Guitar
Ear Guitar

Share some secret sounds with a friend.

The Wheel
The Wheel

Why do road bikes have thin tires, while mountain bikes have fat tires?

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