Alabama Learning Exchange
Alex: Perfect Perception? (Perception and Illusion)
In this lesson, young scholars discuss and explore perception and illusions. Websites are provided showing various optical illusions. Students are asked to journal about illusions, recreate illusions, and create their own flip-book.
American Museum of Natural History
American Museum of Natural History: Optical Illusions and How They Work
What you see and what you think you see are different things. Find out what your brain doing behind-the-scenes!
TED Talks
Ted: Ted Ed: Animation Basics: The Optical Illusion of Motion
How do animators make still images come to life? Are the images really moving, or are they merely an optical illusion? TED-Ed takes you behind the scenes to reveal the secret of motion in movies. [5:12]
Science Struck
Science Struck: Different Types of Optical Illusions
Describes the different types of optical illusions and their characteristics.
Braingle
Braingle: Optical Illusion Brain Teasers
Check out the variety of optical illusions provided at this site. Fool your eyes with "Chair or Block," "Angles or E," "Old or Young Woman," "Face or Vase," and others.
Science Bob Pflugfelder
Science Bob: See Some Optical Illusions
A webpage on optical illusions, containing a grid of black squares, an elephant with four or five legs, and a picture with three faces in it.
Science Struck
Science Struck: History of Optical Illusions
Discover the philosophers and scientists who studied optical illusions and some of the techniques used to create the illusions.
Science Struck
Science Struck: Causes of Optical Illusions
Discusses how optical illusions are actually caused by how our eyes and brains work.
Science Struck
Science Struck: Optical Illusions for Kids
An interesting discussion of optical illusions, their benefits for children, the skills incorporated in drawing your own, and some different types.
Other
Ritsumeikan University: Akiyoshi's Illusion Pages
A large collection of visual illusions and anomalous motion illusions. The latter can potentially make a person feel dizzy and should be viewed or shared with caution.
My Science Site
Optical Illusions
This resource contains some optical illusions that will boggle your mind as you try to figure them out.
CK-12 Foundation
Ck 12: Plix: Optical Illusion: Vision and the Eye
[Free Registration/Login Required] Interactive explores the concept of optical illusion.
Science Buddies
Science Buddies: Apparent Motion & Animation
This project investigates the phenomenon of apparent motion by making your own flip-book animations. This optical illusion experiment, while fun and short, will prove to be a very eye opening experience.
TED Talks
Ted: Ted Ed: Why Do We See Illusions?
Why can't our extremely complex eyes render simple optical illusions? Surprise, surprise- it comes back to the brain, which has only evolved to encounter natural stimuli. Mark Changizi explains how the brain reckons with optical...
Exploratorium
Exploratorium: Shimmer
Student will see this design shimmer! Use this site to learn about this optical illusion and what makes it happen.
Exploratorium
Exploratorium: Science Snacks: Jacques Cousteau in Seashells
An experiment in optical illusions. Understand how seeing is a joint effort between your eyes and your brain.
CK-12 Foundation
Ck 12: Plix: Vision and the Eye: The Line Up
[Free Registration/Login Required] Are your eyes playing tricks on you? This site contains parallel and skew lines that creates an optical illusion.
TED Talks
Ted: Ted Ed: The Mathematics of Sidewalk Illusions
Have you ever come across an oddly stretched image on the sidewalk, only to find that it looks remarkably realistic if you stand in exactly the right spot? These sidewalk illusions employ a technique called anamorphosis- a special case...
TED Talks
Ted: Ted Ed: The Moon Illusion
Andrew Vanden Heuvel unravels the details of focus, distance, and proportion that contribute to the mystifying optical illusion. [4:09]
Other
Sandlot Science: The Ambiguous Cube Illusion [Pdf]
Plans for building a 3-D cube illusion. Useful for projects on perception and vision.
Exploratorium
Exploratorium: Science Snacks: Far Out Corners
An activity with an optical illusion that will have your eyes seeing a cluster of boxes but is it really boxes? In this activity, explore this illusion and what happens to trick your brain to seeing what it sees.
Exploratorium
Exploratorium: Science Snacks: Fading Dot
An activity with an optical illusion that will have your eyes seeing it and then not seeing it! Learn the science behind what makes the dot on the page "disappear".
Exploratorium
Exploratorium: Science Snacks: Hole in Your Hand
Create an optical illusion with this activity. Understand what your brain interprets if it receives conflicting information from your eyes.
Optical Society
Optical Society of America: Optics for Kids: Exploring the Science of Light
A collection of information on the science of light and optics. Features a wide variety of resources: key events in history, reference materials, multimedia links, optical illusion activities, glossary of optics terms, and information on...
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