University of Texas at Austin
The University of Texas Mc Donald Observatory: Super Gelatin
Middle schoolers measure the angles of refraction of laser light traveling through gelatin, then plot their data to calculate the gelatin's index of refraction.
Texas Education Agency
Texas Gateway: Electromagnetic Spectrum
This tutorial explores using Planck's constant and the speed of light to calculate the wavelength, frequency, and energy of light.
Other
Ask Numbers: Measurement Conversion Calculators and Charts
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...
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.
Science Struck
Science Struck: Kinetic Energy Formula
Explains what is meant by kinetic energy and demonstrates how to use the formulas for a point mass moving at less than the speed of light, for rotational motion, and for a mass moving at a relativistic speed. Includes interactive...