Incorporated Research Institutions for Seismology
Iris: Determining Shallow Earth Structure
Extend students' learning of fundamental physics concepts (reflection, refraction and transmission of energy) through a real-world application.
CK-12 Foundation
Ck 12: Physics Simulation: Least Time
[Free Registration/Login Required] Explore how Snell's Law arises out of the principle of least time; understand how light rays change direction at interfaces between materials using this interactive simulation. A PDF worksheet and a...
Cosmo Learning
Cosmo Learning: Physics Iii: Vibrations and Waves
A collection of video lectures from a physics course focusing on vibration and waves taught at the Massachusetts Institute of Technology. The course overviews topics dealing with mechanical vibration and waves with twenty-three lectures....
Other
United States Master Swimming: Fiber Aquatics
The principle of total internal reflection is discussed in this article. The appearance of objects from inside the water of a swimming pool is compared to the path of light in a fiber optic cable.
Learn AP Physics
Learn Ap Physics: Physics B: Waves
A site dedicated to help students prepare for the AP Physics B test. This specific site reviews waves including traveling waves, standing waves, resonance, speed of electromagnetic waves, Doppler shift, Doppler effect, interference,...
Optical Society
Optical Society of America: Optics for Kids: Total Internal Reflection
An investigation into the total internal reflection of light, using a laser pointer. Accompanied by an explanation of what's happening, a discussion of Snell's Law, and links to additional information.
Walter Fendt
Walter Fendt: Reflection and Refraction of Light
Defines the refraction of light and provides an applet for investigating it.
Wolfram Research
Wolfram Science World: Snell, Willebrord
This site from ScienceWorld provides a very short biographical sketch of Willebrord Snell (1591-1626 CE) and describes his most notable scientific discovery, the law of refraction. Links are provided for additional information as well.