American Museum of Natural History
Optical Illusions and How They Work
Illusions are what your mind makes them. Learners view several optical illusions. After each illusion the resource describes what is seen and the potential connection to evolution of the brain. Illusions include seeing different objects...
Curated OER
Seeing is Believing - Or Is It?
Here is a great science lesson. It extends the concept of vision into the area of optical illusions, perspective, and tessellation. This well-designed plan has tons of great activities, utilizes interesting video, and should lead to a...
Jefferson Lab
Optics: Mirrors and Lenses
Did you see that or did I imagine it? Optical illusions are often created with mirrors and lenses, and here is a presentation that covers many different types of mirrors and lenses and how they work. Flat, concave, and convex mirrors, as...
Curated OER
Optical Delusion
Students examine and create a tool that enables them to explore the scientific principle the Moire Effect. Using markers, paper, and scissors, they create an optical illusion that involves superimposing a grid of lines over another...
Exploratorium
Squirming Palm
You will need an electric drill and some Velcro™ in order to have this activity available for your class. It is, however, an intriguing display of optical illusion. After watching a spinning disk (provided), viewers look at one of their...
Exploratorium
Depth Spinner
Put a new twist on your collection of optical illusion activities. Affix the linked printable spiral to a drill, record player, or some other rotating tool. Have learners stare at the spinning disk for only 15 seconds and then look away....
Curated OER
Studying our Senses
Who would not want an opportunity to taste jellybeans in class? During this investigation, life science learners hold their noses as they take a taste test and find that our perception of flavor is connected with our sense of smell. In...
University of Minnesota
Beautiful Brain: Do You See What I See?
Can art play tricks on your eyes, and can a still painting really appear to vibrate? The second lesson in a four-part series discusses the way our beautiful brains translate visual images. It highlights the style of optical art and...
Curated OER
Applied Science - Science and Math Post-Lab
Students explore optical illusions. In this Applied Science instructional activity, students view optical illusions and record the data of what they see. Students graph the data that they collect.
Curated OER
Optical Illusions
Students view, identify, and construct four optical illusions. In this optical illusions lesson, students are introduced to four types of optical illusions. They construct their own illusions.
Curated OER
Optical Illusions
Students investigate optical illusions. In this optical illusions lesson, students explore perception. Students analyze optical illusions and determine common misconceptions.
Exploratorium
Bird in the Cage
When your life science class is learning about the eye and how it works, you can add this activity as a demonstration of how the retina holds an afterimage. After staring at a red, green, or blue bird shape, pupils glance at a cage and...
Exploratorium
Far Out Corners
Construct a three-dimensional optical illusion when your class is exploring vision and how the eye and brain work together. Three concave corners are mounted inside of a black box, but as a light is shined upon them, they appear to be...
Curated OER
Using Optical Illusion Brain Teasers Add a Twist to Math and Science
Optical illusion activities can provide a motivating way for students to explore math and science concepts.
Exploratorium
Jacques Cousteau in Seashells
Visionaries create images out of dots to demonstrate the eye-brain connection. Through this activity, they learn that the brain interprets data collected by the eye into recognizable information. Search online for "Jacques Cousteau in...
Curated OER
Light, Colors, and Vision
Third graders experience optic illusions by creating flipbooks. In this optics lesson, 3rd graders view a demonstration of the workings of rods and cones using a camera. They are shown an optical illusion and work to create their own...
PBS
Reflection and Refraction | UNC-TV Science
Uncover the exciting interactions of light energy and matter ranging from color to optical illusions. Participants explore color using red and green apples, differences between reflection and refraction, and descriptions of related...
Curated OER
Benham's Disk
Seeing is believing! Or is it? With this simple experiment, young scientists can explore the concept of visual perception. Attach Benham's disk to a rotating appliance such as a hand drill; As it spins, the black lines appear to be...
Exploratorium
Fading Dot
Fuzzy edges cause an image to fade from view in an activity intended to demonstrate how vision works.
Curated OER
The Components of Light
Learners are given a mnemonic device to review the light spectrum as it relates to the different components of refracted light. For this components of light lesson, students read Light Magic and review the properties of light. Learners...
Curated OER
Entering the Eye
The human eye is the focus of this biology PowerPoint. The presentation takes a virtual trip inside of the human eye and allows learners to view the various parts of the eye. The best part (for me) are all of the optical illusions that...
It's About Time
Color
How can a hand puppet's shadow look like a dog? The lesson explains the science behind shadows, combining paint colors and the colors used in old televisions. Scholars use white, red, blue, and green lights to experiment with colors and...
Curated OER
What is Retrograde Motion
In this retrograde motion worksheet, students draw a diagram of the night sky by connecting dots to show retrograde motion. They compare retrograde motion to an optical illusion and answer questions about both.
Exploratorium
Cardboard Tube Syllabus
Construct paper tubes and then try out a few optical illusion tricks:
See a virtual hole in your own hand
Get a grasp of how the eyes combine images
Notice that one eye is dominant over the other
Reveal how your eyes adjust to...