University of California
Uc Berkeley: How Do You Measure a Light Wavelength?
Cool science site tests your knowledge of light by exploring the question: "How do you measure a light wavelength?" Allows users to test themselves as well as provides additional activities on wavelength and amplitude.
Space Telescope Science Institute
Amazing Space: Star Light Star Bright
A few short, interactive activities on light waves can be found on this site. Numerous others links and teacher resources are posted here as well. A good background on light is offered for teachers.
University of Colorado
University of Colorado: Physics 2000: Electromagnetic Waves
Using a student-teacher dialogue format, this page discusses the nature of light as an electromagnetic wave and the electromagnetic spectrum.
Ducksters
Ducksters: Physics for Kids: Light Spectrum
Kids learn about the science of the light spectrum. Wavelengths and frequencies of the electromagnetic waves including visible light, primary colors, and subtractive colors.
NASA
Nasa: Imagers: The Electromagnetic Spectrum
NASA site provides information on waves, electromagnetic waves and their wavelengths.
NASA
Rxte Learning Center: Frequency, Wave Length, and Energy Activity
Resource focuses on the relationship between the frequency, wavelength and speed of light. Has a link to an interactive activity relating frequency, wavelength, and energy.
Florida State University
Florida State University: Nature of Electromagnetic Radiation
This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...
NASA
Nasa: Imagine the Universe: Welcome to the World of Multiwavelength Astronomy!
This Imagine the Universe site provides an introduction into the multiwavelength universe and astronomy. Site provides graphics, links to a quiz, facts on this topic as well as teacher resources.
University of Colorado
University of Colorado: Physics 2000: More About Visualizing Electromagnetic Waves
Discusses the nature of an electromagnetic wave. Explains the oscillating electric field and represents it through clever graphics and animations.
NASA
Nasa: Imagine the Universe: Neutron Stars and Pulsars
Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.
NASA
Viewing the Violent Universe: What Are Gamma Rays?
The universe produces a broad range of light, only a fraction of which is visible to our eyes. Gamma rays are nonvisible light, which also includes x-rays, ultraviolet light, infrared radiation, and radio waves.
NASA
Nasa: Sci Jinks: What Causes a Rainbow?
Find out whatever you wanted to know about rainbows and how they form. Check out the section on folklore regarding rainbows too.