Curated OER
Science Kids: Science Images: Face & Vase Illusion
This face and vase picture is a very common optical illusion. Do you a white vase or two identical black faces looking at each other?
Curated OER
Science Kids: Science Images: Life & Death Illusion
This black and white image is a very famous example of an optical illusion. Designed and drawn by C. Allan Gilbert, the name of the image is 'All is Vanity'. It represents both life and death where the meaning of existence is intertwined.
Curated OER
Science Kids: Science Images: Missing Shapes Illusion
These are two simple missing shape optical illusions shown in black and white. The existence of a white triangle can easily be imagined in the top image while your brain can also easily create the existence of a white sphere in the lower...
Curated OER
Science Kids: Science Images: Moving Wheels Illusion
This excellent optical illusion is confusing because when you look at it, it appears that the nine wheels are moving, when in fact they are not.
Curated OER
Science Kids: Science Images: Parallel Lines Cafe Wall Illusion
This famous optical illusion makes the parallel horizontal lines appear to be bent when in fact they are straight. It was originally noticed amongst the tiles of a cafe wall and can now be seen in architecture such as on a large building...
Curated OER
Science Kids: Science Images: Saxophone Illusion
Does this optical illusion show a man playing a saxophone or a woman's face? You be the judge.
Curated OER
Science Kids: Science Images: Vertical and Horizontal Line Length Illusion
This is a vertical and horizontal line length optical illusion. The vertical line that is part of the image on the left looks longer than the horizontal line but when it is checked with a ruler on the right image it is proved that they...
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.
Curated OER
Science Kids: Science Images: Afterimage
The following picture is an example of an afterimage, a type of optical illusion that continues to appear in one's vision even after you finish looking at the original image.
Curated OER
Science Kids: Science Images: Bezold Effect
The Bezold effect is named after Wilhelm von Bezold, a German professor of meteorology. It is an optical illusion that makes colors look different depending on their relation to adjacent colors. It works with small sections of color...
Other
Color Matters
Students learn to understand color from a variety of perspectives: physiology, psychology, philosophy, and art.
Hunkins Experiments
Hunkin's Experiments
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do and use...