Negative Afterimages

Article from The Illusions Index explaining Negative Afterimages – staring at an image and then seeing different colors when you look away to a white screen or page.

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Articles Related to the REAL Primary Colors

From the color wheel being wrong to the language of color impacting what colors you can see, you will find some interesting articles related to color and perception here. Everything You Know About Color is (Probably) Wrong Light and the Eye – Color Vision (Advanced high school/college level explanation) Video: Artist with Rare Vision Condition…

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Spin Top Spin, Mix Color Mix

Key Question Can you create a top that spins? What happens when you make changes to the top? Learning Objectives Children will… construct a simple spinning top. learn to use and experiment further with the spinning top. make observations about how colors on the top combine as it spins.

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REAL Primary Colors Book

What are the primary colors? If you ask a physicist, they will have to ask you a question back. Are you talking about the primary colors of light, used for color addition, or the primary colors of paint, used for color subtraction? Use this book as a resource to learn what the REAL primary colors…

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REAL Primary Colors (NOT red, yellow, and blue)

If you ask a physicist, “What are the primary colors?” They would ask you, “Are you talking about light or paint?” The answer is different for light and paint but beautifully connected. The REAL primary colors of paint are NOT red, yellow, and blue – as taught in school until you reach physics – but…

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REAL Primary Colors PQRST

              How does your eye see a red apple? Explore this question using a phenomenon driven storyline to engage students in exploring how the eye works and how we create color using light and using pigments. And, for physics sake, please let the experiment with the REAL primary colors,…

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RGB Primary Color Light Show Paper Circuit

Let students build this paper circuit to explore the REAL primary colors, which are NOT blue, yellow, and red! For detailed step-by-step instructions, check out our Instructable for this paper circuit: #STEMontheCheap RGB Light Show Paper Circuit If you are interested in a 3rd grade science unit to introduce the REAL primary colors, you might…

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Flag and Primary Color Afterimage Optical Illusions

You can either print these out in color or just look at them on a screen to see an afterimage based on how your red, green, and blue color receptors work in your eye. Scroll completely to the bottom to find a document best used for on screen viewing. What colors do you see? The…

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