Exploratorium
Exploratorium: Science Snacks: Anti Gravity Mirror
Using the property of reflection, this activity will have students appearing to defy gravity.
Exploratorium
Exploratorium: Science Snacks: Bronx Cheer Bulb
In this activity observe how light sources flash as you give them a raspberry. As you complete the activity, make a conclusion about what is wiggling the lights or you.
Exploratorium
Exploratorium: Science Snacks: Cheshire Cat
In this activity, you will trick your brain into thinking that your friend has disappeared except for their smile. Understand what happens when your eyes receive different images.
Exploratorium
Exploratorium: Science Snacks: Circles or Ovals?
Did you ever wonder why you have two eyes but only see one image? This activity will explore how your brain combines the images from your eyes in surprising ways. Learn about the dominant eye and how some people do not have one!
Science Museum of Minnesota
Science Museum of Minnesota: Tops
In this lesson make a spinning top to explore the concepts of shape, color, spinning, and optical illusions.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Reliability of Your Visual Sense
Lesson plan that investigates the sense of sight. Includes optical illusions which lead students to question the reliability of vision.
Exploratorium
Exploratorium: Desvanecimiento Del Punto
An optical illusion that demonstrates the effect of eye movement on perception.
Exploratorium
Exploratorium: Exposicion De Tarjetas Postales
Four postcard-sized optical illusions that can be used to demonstrate how patterns and color influence perception.
Exploratorium
Exploratorium: La Ilusion Del Brillo
An optical illusion that demonstrates the effect of eye movement on perception.
Science Buddies
Science Buddies: I See a Full Moon Rising, and Shrinking, or Do I?
The moon appears bigger at the horizon just as it is rising over the treetops, than it does later in the evening when it is overhead. This is because our perception of its size changes based on where it is in the sky. In this human...
Sophia Learning
Sophia: Bill Nye: Once in a Mega Moon
Bill Nye explains why the moon appears smaller when it is higher in the sky, and he presents a Home Demo experiment that proves its an illusion. The experiment requires a bright moon on a clear night, a stiff piece of cardboard, and a...
DOGO Media
Dogo News: Marilyn or Einstein?
Learn about and try out a fun optical illustion created by MIT in 2007 that also serves as a vision test. Includes video.
Curated OER
Neuroscience for Kids: Vision and Optical Illusions
Wow! A great page full of different experiments to illustrate the phenomena of optical illusions...and then it explains what is happening!
PBS
Pbs Teachers: Mystery of the Senses Vision
Understand how our brain identifies an object, view six optical illusions and explain why the visual system might interpret them the way it does.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Matemagicas
Find out the magic of mathematics. On this site you will find magic tricks, games, animated optical illusions, paradoxes and a lot more.
Instituto Latinoamericano de la Comunicacion Educativa
Red Escolar: Ilusiones Opticas
In Spanish. Have fun with the different pictures and their optical illusions.
Children's Discovery Museum
Children's Discovery Museum of San Jose: Color Blending Top
Put a new spin on blending colors by creating your own spinning top. Mix colors through motion and make this optical illusion spring to life.
Exploratorium
Exploratorium: Fading Dot
At this site see a dot fade away in this on-line experiment. Learn why this happens in "What's Going On?"
Exploratorium
Exploratorium: Mona
At this site see the effects our brains have on what we see when we view a picture upside-down.
PBS
Pbs Teachers: Phenakistascope
Explore how the eye and brain interpret a series of pictures as motion by building a spinning motion picture show from a paper plate.
![Sandlot Science: The Impossible Triangle [Pdf] Activity](http://content.lessonplanet.com/resources/thumbnails/411256/large/bwluav9tywdpy2symdiwmduymc04otiwltflnzhom3uuanbn.jpg?1589993168 "Sandlot Science: The Impossible Triangle [Pdf] Activity")
Other
Sandlot Science: The Impossible Triangle [Pdf]
Plans for building a 3-D triangle with seemingly impossible structure. Good for projects and presentations.
CGFA
Carol Gerten Fine Arts: M. C. Escher
This resource provides a very informative biography as well as a gallery with 15 pictures of great Escher art.
Exploratorium
Exploratorium: Science Snacks: Michelle O (Formerly Vanna)
Here is an activity where students experiment with how the brain receives a strange view of a familiar object.
Exploratorium
Exploratorium: Science Snacks: Mirrorly a Window
Understand that what you see is often affected by your expectations of what you think you should see. This activity will explore the sensation you feel when your brain expects to see something.
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