Pitch is the ear's response to frequency, and here you can get a better understanding of pitch, its measurement and the perception of pitch.

Poiseuille's Law is explained and the equation for Poiseuille's Law is given. Students may make calculations using Poiseuille's Law. Interactive.

This site from Georgia State University Physics Department defines and explains the concept of potential energy. Using equations and graphics to illustrate the idea, it discusses the many types of potential energy (gravitational, magnetic, electric, elastic, etc.) and gives examples of each. Links to further information on each type of potential energy are provided.

This physics department site explains how prisms work and their purpose in the dispersion of light. Explains the angle of deviation and includes an interactive form in which visitors calculate the angle of deviation and receive immediate feedback.

Provides a discussion of curved mirrors and ray diagrams. Shows and explains the process of drawing a ray diagram to determine the image location, size, and orientation.

A discussion of refraction and its application to sound waves. Using analogies, graphics and real-life applications, this page and those that accompany it explain why and when sound waves bend.

The meaning of vapor pressure is introduced. The distinction between evaporation and boiling is discussed and explained. The reason that liquids undergo vaporization is explained.

A collection of several pages explaining the principles which underlie Rayleigh scattering of light.

This site from Georgia State Department Astronomy & Physics provides information on the Supernovae. "A supernova is an explosion of a massive supergiant star." Find out much more at this site.

Georgia State explains, defines, and illustrates the concept of surface tension. Includes photos, examples and links to further information.

This is an informative site from Georgia State University. It gives a discussion of the thin lens equation and an illustration of its use in determining the image distance based upon the object distance and the focal length.

The dualistic nature of light is discussed. The photoelectric effect and the Davisson-Germer experiment are contrasted as empirical evidence supporting each of the two views - particle and wave - of the nature of light. The photoelectric effect and its interpretation are explained. The relationship between the empirical evidence and Planck's hypothesis of the existence of photons is described.