This lesson in high school physics on Newton's Second Law of Motion provides a discussion of free fall and air resistance, and answers, "Why do objects which encounter air resistance ultimately reach a terminal velocity?" and "In...

This high school physics lesson focuses on the application of the Doppler effect to sound. Discusses what the Doppler effect is, offers examples of its occurrence, and explains what shock waves and sonic boom are.

This lesson from the Glenbrook South High School discusses two-point source interference. It gives detail on the difference between constructive and destructive interference, what a two-point source interference is and what happens when...

A teacher lesson plan which could be easily converted into an idea for a student project or presentation. Ideal for pre-high school students. This page describes an activity in which the history of electric circuits, the nature of...