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Grades: K-2

Anti-Gravity Mirror

Learn how to fly with this neat mirror trick.

Aporrea una pila

Investiga a prueba de golpes la primera ley de Newton.

Arpa de cabeza

Aprende un poco sobre la teoría de cuerdas.

Science activity that demonstrates the angle of repose

Avalanche

Find order in well-mixed chaos.

A science activity to discover the diversity of insect life in your neighborhood

Backyard Bug Bonanza

Step outside and discover the diversity of insect life in your neighborhood.

Science activity using a balancing ball to demonstrate the Bernoulli principle

Balancing Ball

Suspend a ball in a stream of air.

Science activity demonstrating balance and the center of gravity

Balancing Stick

Does it matter which end is up?

Science activity to create a toy that sounds like a swarm of buzzing bees

Bee Hummer

Make a stick, rubber band, and index card sound like a swarm of bees.

Science activity demonstrating the physics of bubbles

Bubble Tray

Create giant bubbles!

Science activity that demonstrates center of gravity

Center of Gravity

Balance a checkbook using the physics method.

Science activity that demonstrates temperature perception

Cold Metal

"Cold" metal and "warm" wood may be the same temperature.

Science activity that demonstrates color perception illusion

Color Contrast

A colored object may look different against different-colored backgrounds.

Science activity that demonstrates effect of color filters on perception

Color Table

Color your perception.

Science activity that demonstrates perception of additive color mixtures

Colored Shadows

Not all shadows are black.

Science activity that demonstrates fluid pressure and buoyancy

Condiment Diver

To paraphrase French philosopher René Descartes: "I sink, therefore I am."

Science activity to demonstrate the Magnus effect by launching cups with rubber bands

Curveball Demonstrator

Give flight a spin with the Magnus effect.

Science activity that demonstrates how differently shaped ears affect your hearing

Designer Ears

Make “better” ears!

Diablillo cartesiano de condimento

Experimenta con un diablillo cartesiano.

Science activity that demonstrates perception of camouflage and movement

Disappearing Act

If you want to stay hidden, you’d better stay still.

Drip Chamber

Viscous liquids create a mesmerizing light display.

Science activity to investigate earlobes

Ear Sort

Do your ears hang low—and what do textbooks know?

Science activity demonstrating static electricity

Electrical Fleas

Start your own electric flea circus.

Science activity that demonstrates an image formed by a lens

Giant Lens

A lens creates an image that hangs in midair.

Science activity that explores heat absorption by different-colored materials

Give and Take

Dark-colored materials both absorb and emit energy more readily than light-colored materials.

Globos de hielo

Diviértete con un globo de agua congelada y explora la belleza de la ciencia.

Science activity that demonstrates use of nonstandard measurements and simple ratios for estimating sizes or distances

Handy Measuring Tool

Measure the height of an object indirectly using your hand and a ratio.

Science activity to play music by wrapping a string around your head

Head Harp

Learn a little string theory.

Science activity experimenting with a frozen water balloon

Ice Balloons

Chill out with a frozen water balloon and explore some beautiful science.

Science activity to investigate convection

Inverted Bottles

Watch the rise and fall of hot and cold fluids.

Science activity that demonstrates differences in density

Klutz-Proof Density Column

Gravity doesn’t care if you trip.

Science activity that investigates reflections

Look into Infinity

Images of images of images can repeat forever.

Science activity to make an instrument that creates the sound of rain falling

Make Your Own Rainstick

Listen to the sound of rain falling—anytime, anywhere.

Science activity that demonstrates force and acceleration of marshmallows

Marshmallow Puff Tube

If you blow harder, will it go farther?

Science activity that demonstrates finding the approximate masses of very small things

Microbalance

For a few hundredths of a dollar, you can weigh a few thousandths of a gram.

Science activity that demonstrates light wave interference

Moiré Patterns

Imperfect alignment can lead to interesting patterns.

Oboe de pajilla

Dos labios hacen sonido.

Orejas de diseñador

¡Haz "mejores" orejas!

Science activity that demontrates pendulums of different lengths swinging to their own rhythms

Pendulum Snake

Pendulums dance in a shifting series of patterns as they swing to their own rhythms.

Science activity that demonstrates persistence of vision

Persistence of Vision

Your eye and brain can hold on to a series of images long enough to form a single complete picture.

Science activity that demonstrates resonance of sound waves

Pipes of Pan

When you hold a seashell to your ear, you can hear a steady roar.

Art & Science Activity to explore reflection and light.

Pixel Tube

Art and science meet in a tube of mirrors.

Science acitivity that explores decomposition with worms

Productive Poop

Turn your kitchen trash into garden treasure.

Science activity that demonstrates proprioception

Proprioception

Wiggle where you're at.

Pulgas eléctricas

Haz tu propio circo de pulgas eléctricas saltarinas.

Science activity that investigates the pupil

Pupil

Your pupil changes size to control how much light enters your eye.

Science activity that transmits sounds through your body instead of the air

Radiohead

Listen to the radio in an unconventional way.

Science activity that demonstrates electrostatics

Remote-Control Roller

Wield electrons and protons to roll a can.

Rodillo a control remoto

Ejerce tu poder sobre los electrones y los protones para hacer rodar una lata.

Science activity that produces musical sounds only you can hear

Secret Bells

Create your own personal sound system with a coat hanger and string.

Science activity to explore a developing plant embryo

See Inside a Seed

Examine the baby plants inside the seeds we eat.

Science activity to observe the process of plant development

Seed Germinator

Watch the life of a plant embryo unfold.

Science activity that uses color chromatography to discover the secret colors hidden in black ink

Separation Anxiety

Use water to learn about black magic…markers.

Science activity that demonstrates depth perception

Size and Distance

So close, yet so far away.

Science activity that demonstrates sound conduction

Sound Bite

Tune in to tunes with your teeth.

Science activity that encourages participants to ask questions and carry out investigations

Sound Cups

Use your senses and science skills to figure out what’s inside your Sound Cup.

Science and art activity that demonstrates pitch and vibration

Sound Sandwich

Make beautiful music with sticks, straws, and rubber bands.

Science activity that demonstrates sound localization

Stereo Sound

Locating the source of a sound is mostly a matter of timing.

Science activity that demonstrates resonance in a musical instrument

Straw Oboe

Two lips make sound.

Science activity that demonstrates depth perception

Thread the Needle

Using two eyes gives you depth perception.

Tubo lanzador de bombones

Si soplas más fuerte, ¿irá más lejos?

Science activity to create an instrument that produces sound from a vibrating stretched membrane

Water-Bottle Membranophone

This surprising instrument is fun to make—and even more fun to play.

Science activity that demonstrates the force of inertia

Whack-a-Stack

Conduct a hard-hitting investigation into Newton's first law.

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Attribution: Exploratorium Teacher Institute