This is a short study guide from the University of Maryland's Physics Education Research Group on introducing, interpreting, and using complex numbers. Mathematical equations are included to help students understand the...

This essay describes the influence that the pendulum had on Galileo's thinking and science. It also discusses the use of a pendulum to measure time. This is a part of The Galileo Project, an extensive web site on the...

MIT Open Courseware provides free and open resources from a broad range of classes. This Physics collection contains material from physics classes ranging from introductory physics to advanced graduate courses. The...

This website contains eight one-hour videos designed to help K–6 teachers gain an understanding of some of the basic physical science concepts they need to teach in today’s standards-based curricula. Programs include...

This web site is the home of Light and Matter Physics, a series of introductory textbooks available online for no cost. There are six main textbooks covering Newtonian Physics, Conservation Laws, Vibrations and Waves,...

This video demonstrates that a person can stand on a bed of nails without hurting their feet due to the force being spread out over a large area. It is part of a collection of typical lecture demonstration videos put...

This article from the American Physical Society's Forum on Education from the Fall of 2007 discusses PER-CENTRAL, a ComPADRE collection designed specifically to serve as an informational touch-point and online community...

This interactive resource from the physics department at Boston University illustrates Coulomb's law. The simulation allows the user to graph the dependence of the Coulomb force on the distance between charges.

This site combines science and art to challenge stereotypes, promote scientific literacy, and encourage women and girls to do math and physical science. The site presents 36 posters showing women working in various...

This website provides observational information about the visible planets, our moon and other moons, the sun, and other celestial objects. Monthly star maps and animations that show celestial motions are provided. The...