Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Rainbow Formation
Understand the physics behind Roy G. Biv, and how rainbows are formed by drawing upon our understanding of refraction, internal reflection, and dispersion.
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.
Simon Fraser University
Chem1 Virtual Textbook: Particles and Waves
Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses wavelength and the uncertainty principle. Information is also provided on de Broglie wavelength and electron...
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.
CK-12 Foundation
Ck 12: Physical Science: Color
[Free Registration/Login may be required to access all resource tools.] Overview of the different colors in visible light and how they relate to its wavelength, how a prism separates visible light into its different colors, the colors of...
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...
University of Texas at Austin
The University of Texas Mc Donald Observatory: Super Gelatin
Learners measure the angles of refraction of laser light traveling through gelatin, then plot their data to calculate the gelatin's index of refraction.
NASA
Nasa: Space Place: The Electromagnetic Spectrum
Find out how energy, frequency, and wavelength are related in terms of the electromagnetic spectrum.
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...
Johns Hopkins University
The Electromagnetic Spectrum
NASA related site shows the entire Electromagnetic Spectrum. Provides a brief description of the expansive colored spectrum as well as a related link that provides more details.
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 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.
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...
PBS
Pbs Learning Media: What Is Albedo?
When light strikes an object it can cause reflection or absorption depending on the wavelength of the light and the property of the material that makes up the object. Watch this whiteboard animation for a full explanation and to find out...
Florida State University
Florida State University: Molecular Expressions: Primary Additive Colors
Manipulate the primary color circles of light to see how overlapping the circles affect the colors. An explanation is included.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Models of the Hydrogen Atom
How did scientists figure out the structure of atoms without looking at them? Try out different models by shooting light at the atom. Check how the prediction of the model matches the experimental results.
TeachEngineering
Teach Engineering: Quantum Dots and Colors
Students are introduced to the physical concept of the colors of rainbows as light energy in the form of waves with distinct wavelengths, but in a different manner than traditional kaleidoscopes. Looking at different quantum dot...
BBC
Bbc: Gcse Bitesize: General Properties of Waves
Light travels as waves. Waves can be described by their amplitude, wavelength and frequency. The speed of a wave can be calculated from its frequency and wavelength.
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....
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.
NASA
Electromagnetic Spectrum: Ultraviolet Waves
Ultraviolet (UV) light has shorter wavelengths than visible light. Though these waves are invisible to the human eye, some insects can see them. The specific wavelength values are given. Uses and applications of these waves are explained.
Sophia Learning
Sophia: Radiation and Energy: Lesson 2
This lesson discusses the light spectrum and its influence on living things. It is 2 of 3 in the series titled "Radiation and Energy."
McGraw Hill
Mc Graw Hill Higher Education: Johnson Explorations: Photosynthesis
Photosynthesis is illustrated in this interactive. Begin by looking at a chloroplast and follow the path of electrons throughout. Discover what can affect the rate of photosynthesis by adjusting the light intensity and light wavelength.
Science Struck
Science Struck: Versatile Uses of a Spectrophotometer
Explains what spectrophotometry is, the types of spectrophotometers, and what they are used for.