[Free Registration/Login may be required to access all resource tools.] By watching video clips, doing interactives, and reading text, students discover how mechanical waves transfer energy and how the waves require a medium to propagate...

This physics tutorial helps students categorize waves based on distinguishing, observable characteristics.

An explanation of and animation depicting the propagation of an electromagnetic wave through a material medium.

Described is a simple low cost home-made device that converts the radio wave energy from a mobile phone signal into electricity to light an LED. No battery or complex circuitry is required. The device can form the basis of a range of...

This hypertext physics course tutorial on nonfocusing surfaces relates various design principles to good auditorium design. Illustrated.

Students will focus on the interaction of sunlight with atmospheric particles to produce blue skies and red sunsets.

This site from Architectural Acoustics and Lighting provides a discussion of various factors affecting the acoustics of a given room. Room dimensions, the wavelength of the sound wave, the physical characteristics of the walls, the...