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...

Why are things colored? This site explores the 15 phenomena that create our colorful world. Learn how light is made, lost, and moved!

The colour of smoke depends on how well something burns. Things that burn well give off white smoke. Things that do not burn well, such as rubber, give off black smoke. Also learn here about blue and black smoke.

Take a look at this video [0:51] from Bill Nye the Science Guy to learn why the sky is blue.

Learn about colors of light by exploring how prisms work. Discover the different colors of the spectrum and how the visible light is what we see.

The Florida Museum of Natural History presents an in-depth look at the blue shark, named for its distinctive blue color. Learn about the taxonomy, common names, geographical distribution, conservation, habitat, food habits, reproduction,...

This website has three different projects from which to choose on the topic of why the sky is blue. Also, you can scroll up to learn more about why the sky is blue.

This lesson will enhance the study of the color blue by providing a story, cooking experience and writing activity.

Use this site to create your own picture book of 21 endangered species. As you color each of the pages you can learn about each endangered animals.

Students will use Leo Lionni's literature and his website to learn about the author, mix primary colors, summarize and rewrite a story, and use graphing skills to determine the classes' favorite color.

[Free Registration/Login Required] See the results of how users have highlighted Roald Dahl's "Learning to Chunk." Details that show characterization are blue while details that appeal to visualization or the senses are red and questions...

[Free Registration/Login Required] See the results of how users have highlighted Aimee Nezhukumatathil's "What I Learned from the Incredible Hulk." allusions are blue, questions or pauses are red, and details that are liked or important...

Young scholars will learn about refraction and the scattering of sunlight as it enters the atmosphere, which causes the colors in light to separate, giving us blue skies and colorful sunrises and sunsets.

This Ocean Explorer lesson plan (PDF) explores the questions: What colors, if any, are visible down in the deep sea? What is bioluminescence? Students will learn about white light (visible light), the quantity and quality of light as...

Different colors have different meanings in different places. Check out these interesting facts about the meanings of colors, you might learn some things about your favorite color.

Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...