A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

A very lengthy page from friesian.com discussing Bohr's theory of electronic energy levels and the explanation of commonly observed atomic emission line spectra. The concept of a photon and Einstein's observation of the photoelectric...

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.

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...

The Discovery Channel provides numerous lesson plans dealing with the physical sciences. Content is organized by grade level, but all lesson plans include suggestions for adaptations for older or younger audiences.

This site provides background information, images, and an activity to help students understand the concept of radiation. Includes both the student pages and a teachers guide with lesson plan.

[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...

Learn how an infrared thermometer works and what each of its parts does. A chart lists the different applications of infrared thermometers by the wavelength each emits.

By the end of this section, you will be able to discuss heat transfer by radiation and explain the radiant power of different materials.

[Free Registration/Login may be required to access all resource tools.] A breakdown of the types of energy that Earth receives from the sun.

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]

Student teams conduct an experiment that uses gold nanoparticles as sensors of chemical agents to determine which of four sports drinks has the most electrolytes. In this way, students are introduced to gold nanoparticles and their...

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.

Take this ten question multiple choice quiz on the main concepts of light.

What is light? Illustrated discussion of the speed of light, how we see colors, and how light helps us.

A short explanation of how we see color and what each of the primary and secondary colors symbolize.

SkyServer answers why stars have different colors and shows what you can learn by studying the colors of stars, galaxies, and other objects.

This lesson will introduce the shape of waves, including amplitude and frequency. It will also describe how the shape of waves changes from one type to the next. It is 5 of 5 in the series titled "Wave Shape."

This lesson will introduce the shape of waves, including amplitude and frequency. It will also describe how the shape of waves changes from one type to the next. It is 1 of 5 in the series titled "Wave Shape."