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Make pinhole predictions.
We know where our bodies are even with our eyes closed.
Your pupil changes size to control how much light enters your eye.
Listen to the radio in an unconventional way.
Looking for Real Image? We recommend Parabolas as an alternative Snack.
Eye'll be seeing you.
Create a sound system for music only you can hear.
Keep an eye on your retinal blood supply network.
Use color chromatography to separate black ink.
Control the (apparent) size of a hole with your brain.
Blowing air through a disk full of holes makes a tone.
So close, yet so far away.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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