Science Buddies
Science Buddies: Mixing Light to Make Colors
You know how to make new colors by mixing paint or crayons. For example, you get green by mixing yellow and blue, or orange by mixing red and yellow. With paint, blue, yellow, and red are primary colors, which you can use to make other...
Physics Classroom
The Physics Classroom: Light Waves and Color: The Path Difference
After looking at a representative two-point source interference pattern with accompanying order numbers, students investigate the rationale behind the numbering system, and develop some mathematical equations that relate the features of...
Physics Classroom
The Physics Classroom: Light Waves/color: Two Point Source Interference Pattern
Students investigate the underlying causes of two-point source interference pattern. They also discover that the spatial separation between the antinodal and nodal lines in the pattern is related to the wavelength of the waves.
Science Education Resource Center at Carleton College
Serc: Color of Salts Flame Test
This laboratory exercise is designed to introduce students to salts and their unique color given off while burned. Students will obtain several salt solutions to observe the color of flame when burned.
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.
University of New South Wales (Australia)
University of New South Wales: School of Physics: Physclips:the Nature of Light
Physiclips thoroughly presents mechanics concepts about light with animations and film clips. Learn about light and color, wavelengths, speed of light, electromagnetic waves, Young's experiment, and photons.
Florida State University
Florida State University: Molecular Expressions: Refraction of Light
Manipulate the incident angle, color of light, wavelength, and medium to see how the refracted angle is affected.
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...
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: Chemistry Simulation: Neon Lights
[Free Registration/Login Required] Neon lights are a type of discharge tube. Observe how electrons create colored light in a hydrogen gas discharge tube. Can you figure out why hydrogen's emission spectrum contains more than one color of...
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
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...
University of Colorado
University of Colorado: Physics 2000: Temperature and Absolute Zero
A thorough, multipage discussion of color and color television sets that explains how an image is formed on the television using red, green, and blue light. Understandable discussion, excellent graphics, and many interactive Java applets.
Physics Central
Physics Central: Physics in the Snow: Snowy Colors
A simple experiment through which students observe the connection between color and heat and prove that dark-colored objects and light-colored objects heat at different rates, even when exposed to the same heat or light source.
CK-12 Foundation
Ck 12: Plix: Wavelengths
[Free Registration/Login Required] In this interactive you will drag the red line left or right to explore how color and wavelength are related to each other. You will need a sign-in to access this media, but it will be well worth your...
South Carolina Educational Television
Etv: Nasa Online: Light: Scattering Light
An introduction to the concept of the visible light spectrum provided in an animated format.
University Corporation for Atmospheric Research
Ucar: Blue Skies and Red Sunsets
Find out how some wavelengths of light are scattered more than others producing blue skies and red sunsets.
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...
Curated OER
Georgia State University: 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.
Curated OER
Georgia State University: 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.
Georgia State University
Georgia State University: Hyper Physics: Dispersion
The phenomenon of light dispersion is explained with a formula and a practice form for calculating Abbe's number.
TeachEngineering
Teach Engineering: Graphing the Rainbow
Students are introduced to different ways of displaying visual spectra, including colored "barcode" spectra, like those produced by a diffraction grating, and line plots displaying intensity versus color, or wavelength. Students learn...
Science Struck
Science Struck: Wavelength of Visible Light Spectrum
Explains where visible light fits into the electromagnetic spectrum and the wavelengths for the different colors we see.
PBS
Pbs Learning Media: Jewel Box Sun
See the sun like you have never seen it before! Using a specialized telescope, NASA developed images of the sun created from a wide range of wavelengths of light. Each wavelength is represented by a different color making a beautiful...