The Exploratorium
Science Snacks
Snacks about Waves

Snack name


Blue Sky

Now you can explain why the sky is blue and the sunset is red

Bridge Light

A thin layer of air trapped between two pieces of Plexiglas™ produces rainbow-colored interference patterns.

Bubble Tray

Create giant bubbles.


Light can bend around edges.

Polarized Light Mosaic

With polarized light, you can make a stained glass window without glass.


If you vibrate something at just the right frequency, you can get a big reaction.

Slinky in hand

Hold a slinky between your hands, model transverse wave resonances as well as longitudinal wave resonances. Learn about nodes and antinodes of motion and compression.

Soap Bubbles

Create geometric art with soap films.


Fingerprints for light sources.