Students learn about static electricity using terms such as friction, induction, and conduction. They also explain and illustrate the difference between alternating and direct current, and understand the relationship among voltage,...

This video segment adapted from First Light explains why the highest peak in the Pacific, Mauna Kea, is an ideal site for astronomical observations. Featured are new telescope technologies that allow astronomers to explore the universe...

A really fine and complete biography, quite lengthy. Some emphasis placed on his time at Princeton. A great deal of detail can be found here. Link here to the Joseph Henry House.

Reflection, refraction, and the colors that make up white light is explored through lab activities after reading a brief background about light energy.

In this science fair project, use an infrared thermometer to measure the temperature of differently colored paper exposed to sunlight, and calculate energy emission using the Stefan-Boltzmann equation. Find discussion questions, a list...

In this experiment, you will measure the speed of light using a microwave oven, some egg white, and a ruler. This short project proves to be an extremely interesting choice for a science lab, with pictures for illustration, and thorough...

This is the man who most encouraged Bell to invent the telephone. Bell said, "But for Henry, I never would have gone ahead with the telephone." This is a fascinating account both of Bell's invention and of Henry's life. Half a biography,...

When light strikes an object it can cause reflection or absorption depending on the wavelength of the light and the property of the material that makes up the object. Watch this whiteboard animation for a full explanation and to find out...

Definitions of various forms of energy are presented along with a brief scientific history of energy related concepts.

In this illustrated tutorial, find out how radio signals get transmitted from an antennae to the air.

What is light? A detailed examination of what creates light, light spectrums, scientists' discoveries, and colored graphics. Appropriate for the older student or adult researcher.

Access hundreds of teacher-tested, practical physics lessons on this well-organized, illustrated site. Find just the right demonstration, attention-grabber, or lab for any physics teaching objective at your fingertips.

The Canada Science and Technology Museum answers some of the most common questions about electricity. For example, get the definition of electricity, the difference between alternating and direct currents, and learn how a fuse works.

This downloadable article addresses all aspects of nuclear energy. Visual charts make understanding of cycles and concepts easier. Most useful for older students and educators. PDF (requires Adobe Reader).

This is a general Physics course from simple concepts such as the rectilinear movement to more complex as the energy bands of solids. Interactivity is achieved by the 646 applets embedded in web pages that are simulations of physical...

The New York Times Learning Network has developed interactive & printable crossword puzzles. The theme of this puzzle is magnetism and electricity. Requires Java.

Written by Paul Falstad, these educational Java applets address myriad concepts related to electrostatics, magnetostatics and electrodynamics. You'll find instructions on how to operate each applet, but little explanatory material.

In this module, students investigate the properties and behavior of different types of waves.

Tutorial provides a discussion of UV-Vis spectroscopy, infrared (IR) spectroscopy, and the Beer-Lambert law.

A brief description of supernova remnants with many embedded links to help define terms used in the description. The specific topics are age and the importance of remnants to us and the types. Definitions of key words are provided.

Here is a large collection of simple science class activities for understanding the physics of light.

Students find and calculate the angle that light is transmitted through a holographic diffraction grating using trigonometry. After finding this angle, student teams design and build their own spectrographs, researching and designing a...

Students learn and use the properties of light to solve the following challenge: "A mummified troll was discovered this summer at our school and it has generated lots of interest worldwide. The principal asked us, the technology classes,...

Students are introduced to the correct technical vocabulary for lighting, which is different than layperson's terms. They learn about lamp (light bulb) technology and how to identify the various types of lighting in their spaces. They...