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

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...

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...

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...

In this activity, students' will use a motion detector to record the motion data for a plate bouncing at the end of a light spring, and analyze the data to determine frequency, period and amplitude. They will then find an appropriate...

This terrific interactive site from the National Park Service describes the different buildings on Thomas Edison's West Orange, New Jersey's laboratory facility. After exploring the buildings, follow Edison's invention and application of...

This site is a complete resource for learning about Edison's life, his inventions, and electricity. If you like experimenting, there are instructions included for how to make your own light bulb. Good photos.

Here is a very detailed biography of Thomas Edison ranging from his boyhood and his work as a telegrapher, moving on to his invention of the phonograph and incandescent light bulb, and finally, a description of his laboratories where he...

This resource provides lesson plans and information about Thomas Edison and his inventions.

A free PDF introductory physics textbook with color images, videos, and animations. The textbook aims to show how physics explains the natural world. The book is broken into kinematics, relativity, light, quantum mechanics, and The...

This essay from the NOVA Web site explores the impact Einstein made on physics and most everything we know about the cosmos.

This online exhibition traces Edison's life, both personal and professional after he reached forty. Historic, primary materials are included.

Online access to portions of Einstein's original papers and manuscripts.

This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...

Link to nine major physics topics and dig deeper into the content. Find out about the work of scientists in each field and see example physical science experiments.

Manipulate variables in order to observe the effects of relative motion on events such as an explosion and the time at which its light signal reaches a destination.

Fantastic variety of printable activities that cover motion-related principles. Topics include the following: experiments (engineering, structures, forces and energy, fluids, sound and light, patterns, human body); arts & crafts;...

At this site from The Nobel Foundation you can read about the scientist who won the Nobel Prize in Physics in 1907, Albert A. Michelson (1852-1931 CE). Here, you can read a detailed biography which provides information on Michelson's...