Subject: Waves

Is pure water colorless?

Send waves down a spring to watch them travel and interact.

Stare at one color—but see another.

Discover why the sky is blue and the sunset is red.

Create giant bubbles!

Turn an old CD into a spectroscope to analyze light.

Discover why your favorite cat videos don't leak out of optical fibers.

$Science activity that demonstrates diffraction using a candle or flashlight bulb and two pencils$

Demonstrate diffraction using a candle and two pencils.

$Science activity that demonstrates the index of refraction$

You can make glass objects disappear.

The Doppler effect causes the “neeeeeoowwm” sound of cars.

Viscous liquids create a mesmerizing light display.

Make a record player with a pencil, pin, and paper.

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