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.

A collection of teaching resources that look at the carbon cycle and its role in a changing climate.

NASA site provides information on waves, electromagnetic waves and their wavelengths.

Describes the collection of 1.2m millimeter wavelength radio telescopes that are operated by the Millimeter Wavelength Group at Harvard Smithsonian. It details some history of radio astronomy and of the telescope itself, gives great...

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.

Kids learn about the science of the light spectrum. Wavelengths and frequencies of the electromagnetic waves including visible light, primary colors, and subtractive colors.

Kids learn about the properties waves in the science of physics including amplitude, wavelength, frequency, period, and speed.

Describes quasars as being classified within the category of an active galaxy. A description of the emergence of high-energy. Definitions of key words are provided.gamma-ray quasars as an important component of the gamma-ray sky.

Discusses the nature of an electromagnetic wave. Explains the oscillating electric field and represents it through clever graphics and animations.

Using a student-teacher dialogue format, this page discusses the nature of light as an electromagnetic wave and the electromagnetic spectrum.

Incredible set of animations demonstrating the Doppler effect and shockwaves resulting from supersonic aircraft.

A detailed overview of the Earth's atmosphere, with explanations about atmospheric properties, the structure of the atmosphere, its four layers, atmospheric processes, energy heat transfer, conduction and convection, and radiation. All...

Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.

Find out whatever you wanted to know about rainbows and how they form. Check out the section on folklore regarding rainbows too.

This site features several links to tsunami relief sites. Students and teachers can access information about the tsunami relief efforts through these resources.

This Franklin Institute webpage provides an introduction to understanding sound waves based on 5th grade science lessons.

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...

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.

How can you begin to talk to your kids about the Tsunami tragedy? This site offers insight on how to deal with this difficult topic.

"We present the many satellites which have detected electromagnetic radiation through the 1960s, 70s, 80s, and 90s." Visit this site to read more about the development of satellites throughout the history of gamma-ray astronomy. Graphics...

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.

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.

This site offers a variety of everyday activities and everyday experiences in which waves or sound waves play a role.

"Surf's Up Dude!" features waves of energy. Identify types, structures, and ways to measure waves.