A unit on energy, force, and motion presented with interactive and classroom activities. Students gain an understanding of weight, mass, potential and kinetic energy, sound, and heat with this engaging resource.

A large collection of online activities for exploring how our eyes perceive real and apparent motion.

This article helps students learn about Newton's laws of motion and the properties of force.

Learn more about the properties of velocity, acceleration, and force vectors in this illustrated article.

This resource provides information about careers in audio/visual technology and film, including camera operators.

This well-written explanation of relativity includes animations and pictures which may be helpful in understanding a tough topic.

Students learn about uniform and non-uniform circular motion in this illustrated article.

Motion is one of the key topics in physics. Everything in the universe moves. It might only be a small amount of movement and very very slow, but movement does happen. Don't forget that even if you appear to be standing still, the Earth...

Lighting is responsible for nearly one-third of the electricity use in buildings. One of the best ways to conserve energy is to make sure the lights are turned off when no one is in a room. This process can be automated using motion...

Students can use this article to learn about forces and motions in three dimensions.

An illustrated article helps physics students learn about center of mass and velocity, and define the concept of inertia.

Here's an interesting flash photography project. With an inexpensive Fresnel lens, you can concentrate the light from your flash. You'll be able to shoot with a smaller aperture and a shorter flash duration. This will give you a greater...

Here is an introduction to the concept of waves and wavelike motion people experience anywhere and everywhere.

An introductory lesson describing the definition of energy, and highlighting different sources of usable energy.

Two wave graphs depicting a sine wave and relating the various characteristics (wavelength, amplitude, frequency, and period) of a wave to each other. The site includes an interactive JavaScript form in which the visitor enters one...

Building upon their understanding of forces and Newton's laws of motion, students learn about the force of friction, specifically with respect to cars. They explore the friction between tires and the road to learn how it affects the...

In the late 1800's, Thomas Edison and his fellow inventors were key in the American film industry's boom.This web site provides a podcast and accompanying transcript tracing the roots of the film industry in America. Podcast [21:27]

This lesson will present how light and motion energy can be used to power machines. It is 3 of 4 in the series titled "Energy: Machines, Motion and Light."

This lesson will present how light and motion energy can be used to power machines. It is 4 of 4 in the series titled "Energy: Machines, Motion and Light."

This lesson will present how light and motion energy can be used to power machines. It is 2 of 4 in the series titled "Energy: Machines, Motion and Light."

[Free Registration/Login Required] This short biographical piece shares information about Thomas Edison, the inventor of the phonograph, light bulb, motion picture camera, and more. This passage is a stand-alone curricular piece that...

Students experience firsthand one of the most common water treatment types in the industry today, flocculants. They learn how the amount of suspended solids in water is measured using the basic properties of matter and light. In...

This study information helps students apply Newton's third law and understand forces.

With this article, students can learn about and understand the concept of wave motion.