There are three types of color receptors in your eye: red, green and blue. But how do we see the amazing kaleidoscope of other colors that make up our world? The following learning module explains how humans can see everything from...

For animals, bright, flashy coloration can serve as a warning or as an invitation. Either way, colorful skin, feathers, and scales yell, "Notice me!" This collection of images shows examples of some of the world's most colorful creatures.

[Free Registration/Login Required] Students read a non-fiction article about colored television and answer questions in comprehension, sequencing, inferences, main idea, transitions, and more.

As an overview of color theory, this site covers topics such as communicating color, color application, color basics, color wheel, and more. A color basics tutorial is also provided.

In an continuing overview of color and color theory, this site focuses on color and contrast. Topics covered in the overview include simultaneous contrast, sensitivity to colorblind deficiencies, choosing complementary colors, and more.

Is that right side of your brain yearning to express its artistic side? This is a project that blends art with science. Learn about light and colorful shadows in these experiments where you mix and match various colors of light to create...

Light is an example of an electromagnetic wave. Electromagnetic waves can travel through the vacuum of interstellar space. They do not depend on an external medium-unlike a mechanical wave such as a sound wave which must travel through...

Color theory I, "Color as Light", from artyfactory is an introduction to color theory in Art. This page provides an explanation with visual examples for help.

Color theory III, "Color as Emotion", from artyfactory ia an introduction to color theory in Art. This page provides an explanantion with visual examples to help explain the effect color can have on emotion.

Mapstats is a unique cross-curricular site that uses maps to teach about monochromatic color.

An explanation and proof of the Four Color Map Theorem. Includes illustrative images and a plethora of information.

The heroine of the movie is leaning over a ticking bomb. Under the bright white lights of the mayor's office, the timer is racing down to zero and she has only one chance to defuse it. As she opens the cover from the control panel, a...

This tutorial on the addition of color to light discusses the primary, complimentary, and secondary colors of light.

Add color to black and white photograph using this Paint Shop Pro lesson plan. Explore the colorize functions to make your pictures and graphics unique.

Students see a demonstration of a color change using universal pH indicator and then change the concentrations of an acid and a base using a universal indicator to test the pH of the resulting solutions. Through an animation, they see...

Through illustrated example problems, and some interactive practice, students learn about color addition and color perception.

Graph coloring problem is to assign colors to certain elements of a graph subject to certain constraints. This source looks at different applications of graph coloring.

A tortoiseshell cat has two different fur colors, black or brown and red or orange. The gene that gives rise to the red or orange fur color is on the X chromosome. Female cats have two X chromosomes, while males only have one, which...

Did you know that different-colored backgrounds cause colored objects to look different? In this investigation, students will experience this phenomenon.

The microraptor was a four-winged carnivorous dinosaur with iridescent black feathers. But if our information about this dinosaur comes from fossils, how can we be certain about its color? Len Bloch shows how making sense of the evidence...

Did you know that different-colored backgrounds cause colored objects to look different? In this investigation, students will experience this phenomenon.

How does one experience synesthesia- the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color to each day of the week. Richard E. Cytowic explains the fascinating world of entangled...

Science Bob provides instructions for making a color symphony using common supplies with information on how it works.

This fresco article shows how this art form uses color.