Annenberg Foundation
Annenberg Learner: The Science of Light: Light in Color
Site explores colors and how they are formed. Provides three different activities to explore color.
TeachEngineering
Teach Engineering: Waves: The Three Color Mystery
Students are presented with a challenge question concerning color blindness and asked to use engineering principles to design devices to help people who are color blind. Using the legacy cycle as a model, this unit is comprised of five...
Physics Classroom
The Physics Classroom: Light Waves/color: Electromagnetic and Visible Spectra
This illustrated physics tutorial explains the electromagnetic and visible spectra of light using illustrated examples and interactive practice problems.
Science Struck
Science Struck: Visible Color Spectrum Wheel
A brief explanation of the visible color wheel.
NASA
Nasa: Tour of the Electromagnetic Spectrum: Visible Light
Visible light waves are the only electromagnetic waves we can see. We see these waves as the colors of the rainbow. Each color has a different wavelength. Red has the longest wavelength and violet has the shortest wavelength. When all...
Physics Classroom
The Physics Classroom: Light Waves and Color
The behavior of light waves is introduced and discussed. Also, polarization, color, diffraction, and interference are introduced and discussed thoroughly as supporting evidence of the wave nature of light.
Georgia State University
Georgia State University: Hyper Physics: Color
This site from Georgia State University discusses the location of visible light on the electromagnetic spectrum. Includes the wavelength values for various colors of light within the visible light spectrum.
CK-12 Foundation
Ck 12: Fundamentals of Light
[Free Registration/Login may be required to access all resource tools.] Students investigate the fundamentals of light including its source, how it is defined for measurements, how we perceive color, and the situations that make an...
TeachEngineering
Teach Engineering: The Three Color Mystery
Students are introduced to an engineering challenge in which they are given a job assignment to separate three types of apples. However, they are unable to see the color differences between the apples, and as a result, they must think as...
Science Struck
Science Struck: Color Spectrum Chart With Frequencies and Wavelengths
Read about the visible light spectrum and learn the frequencies and wavelengths for each of the primary and secondary colors.
Space Telescope Science Institute
Amazing Space: Star Light, Star Bright
This online exploration provides an opportunity to identify the different properties of waves and the relationship that exists between energy, wavelength, and frequency. Correlate images from the Hubble Telescope to the wavelength,...
TED Talks
Ted: Ted Ed: What Is Color?
Colm Kelleher describes the physics behind colors- why the colors we see are related to the period of motion and the frequency of waves. [3:09]
CK-12 Foundation
Ck 12: Electromagnetic Spectrum
[Free Registration/Login may be required to access all resource tools.] Students learn what an electromagnetic wave is, gain a feel for the main parts of the spectrum, and work on problems involving basic properties of electromagnetic...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Blackbody Spectrum
How does the blackbody spectrum of the sun compare to visible light? Learn about the blackbody spectrum of the sun, a light bulb, an oven, and the earth. Adjust the temperature to see the wavelength and intensity of the spectrum change....
York University
York University: Color and Color Vision
York University provides an index page to several other pages on the topic of color and color vision. The pages are part of an online "book." Many graphics and explanations.
University of Colorado
University of Colorado: Physics 2000: Quantum Atom
Several pages with an interesting discussion of the visible light spectrum and atomic absorption and emission line spectrum. Features excellent graphics, thorough and understandable discussion, and many interactive Java applets.
TeachEngineering
Teach Engineering: The Energy of Light
In this introduction to light energy, students learn about reflection and refraction as they learn that light travels in wave form. Through hands-on activities, they see how prisms, magnifying glasses and polarized lenses work. They also...
NumberNut
Number Nut: Light and Colors
Discover the relationship between light and colors in this brief lesson. Links to related color identification activities, Color Memory Challenge and Identifying Colors Quiz. Immediate feedback given to responses that includes...
My Science Site
Electromagnetic Spectrum: Colour and Waves
This resource provides information on the different wavelengths that make up the electromagnetic spectrum. Also contains information on waves and color.
TeachEngineering
Teach Engineering: Learning Light's Properties
Middle schoolers learn the basic properties of light--the concepts of light absorption, transmission, reflection and refraction, as well as the behavior of light during interference. Lecture information briefly addresses the...
Other
Sky Server: Color
SkyServer answers why stars have different colors and shows what you can learn by studying the colors of stars, galaxies, and other objects.
Space Telescope Science Institute
Amazing Space: Star Light, Star Bright
An online exploration where students learn the basics about light and the properties of waves and the electromagnetic spectrum. Students will also learn how to measure wavelength and frequency so they can understand the electromagnetic...
NASA
Nasa: The Space Place: Why Is the Sky 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.
BioEd Online
Bio Ed Online: Rainbow in the Room
Students investigate the properties of visible light and the sequence of colors in the spectrum using light shone through water and prisms. The lesson plan and accompanying slideshow can both be downloaded.