Experiments

Find oodles of activities for little kids, bigger kids, and anyone who wants to explore how eyes work. It’s great for teachers, doctors, and parents too!

Part 1: Eye Innards
The information and activities in this section introduce you to the parts of the eye and how they work. You’ll find the point in your eye where things can disappear, watch the iris of your eye open to let light in, see the shadows of blood vessels inside your eye, look inside a cow’s eye, find out how to exercise your eyes, and more.

Part 2: Seeing Stuff
The information and activities in this section give you a chance to explore how your vision works. You’ll discover how to see in the dark, when you can (and can’t) see color, what happens when your visual system gets tired or doesn’t get the information it needs, and how you can tell a real smile from a fake one.

Part 3: Looking Through Lenses
The information and activities in this section let you experiment with lenses and reflectors, find out how sunglasses work, see what happens when you bend light, and find the lenses and reflectors that are around you every day.

Part 4: Fooling Your Eyes
The information and activities in this section explore how your eyes and brain work together. You’ll discover your ability to see faces where there are none, watch people seem to shrink and grow, see colors that aren’t really there, and more.