[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.

Students explore the energy transport phenomenon that transports energy along a medium without transporting matter.

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

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.