Khan Academy
Khan Academy: Diffraction and Constructive and Destructive Interference
Article goes into detail about what exactly is interference.
NASA
Nasa: Imagine the Universe: What's the Frequency, Roy G. Biv
In this very detailed lesson plan from NASA, learners investigate wavelength and frequency within the electromagnetic spectrum.
Other
Gcse: Refraction
Informational site contains a mini tutorial on refraction as well as provides colorful illustrations to aide in learning.
Nobel Media AB
The Nobel Prize: Lord Rayleigh Biographical
At this site from the Nobel e-Museum, you can read about the scientific work of Lord Rayleigh (1842-1919 CE). This article includes information on his education and experiments with light and sound waves.
Wikimedia
Wikipedia: James Clerk Maxwell
Examine the life and contributions of James Clerk Maxwell. This site also provides links to explanations of many of Maxwell's contributions in the field of physics.
Nobel Media AB
The Nobel Prize: Wilhelm Conrad Rontgen Biographical
This biographical note on Wilhelm Conrad Rontgen describes his boyhood, upbringing, education, scientific work and accomplishments. Focuses on his studies of Xrays.
Sophia Learning
Sophia: Radiation and Energy
A brief introduction to the nature of the sun's electromagnetic radiation. [25 secs]
Trinity College Dublin
The History of Mathematics: Young
A short sketch of the life and work of Thomas Young (1773-1829 CE). Traces early upbringing and education and his scientific discoveries and contributions.
Other
The James Clerk Maxwell Foundation
The home page of the The James Clerk Maxwell Foundation, a charitable foundation to commemorate the life and work of James Clerk Maxwell. View Maxwell's house and read about the personal life of this notable scientist.
University of St. Andrews (UK)
University of St. Andrews: James Clerk Maxwell
Research resources for James Maxwell (1831-1879), who did revolutionary work on electricity and magnetism and on the kinetic theory of gases.
University of St. Andrews (UK)
University of St. Andrews: A Visit to James Clerk Maxwell's House
From the MacTutor History of Mathematics website, this page allows students to see the Edinburgh home of the 19th century Scottish physicist James Clerk Maxwell.
Physics Aviary
Physics Aviary: Em Spectrum Lab
This lab is designed to allow students to look at the factors affecting the location of different colors formed by diffraction grating.
NASA
Nasa's the Space Place: A Trip to the Land of the Magic Windows
Explore the electromagnetic spectrum and learn about each type of energy on the spectrum.
Boston University
Bu: Optics Demonstrations: Polarization
Several short descriptions of demonstrations pertaining to polarization principles. Suitable as a supplement for a teacher lesson plan or as an idea-generator for a student project.
University of California
U.c. Berkeley: Spectra From Space
View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.
NASA
Nasa: The Space Place: The Land of the Magic Windows
This is a site from NASA that contains an interesting and fun way to learn about the electromagnetic spectrum. Kate receives a strange riddle from her grandfather. Find out what it says and go through the gateway to the Land of the Magic...
Exploratorium
Exploratorium: Bubbularium
What colors do you see in a bubble? Why do you see colors in a bubble? Use this site to find out the answer to these questions with this easy experiment.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Atomic Structure and Periodicity
This chemistry e-textbook provides students with AP-level reading and practice material on atomic structure and periodicity.
California State University
Electronic Homework: Wavelength, Frequency and Energy
Users solve computational problems concerning the wavelength, frequency, and energy relationships. Fill in the missing values and submit your answers to be corrected.
CK-12 Foundation
Ck 12: Physical Science for Middle School
This digital textbook covers core physical science concepts and includes interactive features, real world examples, and videos.