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Subject: Light, Color & Seeing

Science activity that demonstrates light and mathematical relationships through a pinhole viewer
Poking Fun at Math

Make pinhole predictions.

Science activity that investigates the pupil
Pupil

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

Science activity that explores visual perception
Reverse Masks

Eye'll be seeing you.

Science activity that investigates the structure of the retina
Seeing Your Retina

Keep an eye on your retinal blood supply network.

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

Use color chromatography to separate black ink.

Science activity demonstrating one of your visual system’s many idiosyncrasies
Shrinking Spot

Control the (apparent) size of a hole with your brain.

Science activity that demonstrates depth perception
Size and Distance

So close, yet so far away.

Science activity that explores an optical illusion
Sliding Gray Step

The perceived color of an object depends on its background.

Science activity that models light wave interference
Soap Film Interference Model

Model the behavior of light reflecting off soap film surfaces.

Science activity that demonstrates light interference in soap
Soap Film on a Can

Why do we see colors in soap bubbles?

Science activity to safely view the sun.
Spot the Sun

Safely view our nearest star.

Science activity that demonstrations adaptation in the visual system
Squirming Palm

Make the palm of your hand appear to squirm and twist.

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Attribution: Exploratorium Teacher Institute