In discussing the findings of James Clerk Maxwell and Michael Faraday, this site reveals information and formulas related to electromagnetic radiation and the electromagnetic spectrum.

This resource provides information on the different wavelengths that make up the electromagnetic spectrum. Also contains information on waves and color.

In this lesson, the electromagnetic spectrum is explained and students learn that visible light makes up only a portion of this wide spectrum. Students also learn that engineers use electromagnetic waves for many different applications.

A tutorial on the electromagnetic and visible spectra. Discusses dispersion and how perceptions of white and black are related to the visible light spectrum.

An explanation of and animation depicting the propagation of an electromagnetic wave through a material medium.

This Florida State University page includes an interactive java tutorial that explores the relationship between frequency, wavelength, and energy, and enables the visitor to adjust the intensity of the radiation and to set the wave into...

Find out how energy, frequency, and wavelength are related in terms of the electromagnetic spectrum.

Two scientists share the credit for discovering, and then interpreting, the phenomenon of electromagnetism.

Infrared light lies between the visible and microwave portions of the electromagnetic spectrum. Infrared light has a range of wavelengths, just like visible light has wavelengths that range from red light to violet.

Radio waves have the longest wavelengths in the electromagnetic spectrum. This NASA article discusses AM, FM, TV, cell phone, as well as radio astronomy, which all use this technology.

This site from the University of Maryland provides part of an anecdotal history of optics and the study of light. Extremely thorough treatment of how scientists came to believe in the wave nature of light, the idea of an electromagnetic...

[Free Registration/Login may be required to access all resource tools.] Students learn what an electromagnetic wave is, gain a feel for the main parts of the spectrum, and work on problems involving basic properties of electromagnetic...

NASA related site shows the entire Electromagnetic Spectrum. Provides a brief description of the expansive colored spectrum as well as a related link that provides more details.

Students design and construct an electromagnet that must pick up 10 staples. They begin with only minimal guidance, and after the basic concept is understood, are informed of the properties that affect the strength of that magnet. They...

In this activity, the students will complete the grand challenge and design an electromagnet to separate steel from aluminum for the recycler. In order to do this, students compare the induced magnetic field of an electric current with...

This tutorial explores using Planck's constant and the speed of light to calculate the wavelength, frequency, and energy of light.

Through labs, readings, videos, and discussions, students learn about the concepts of Electromagnetic Induction.

Investigate with a bar magnet and coils to learn about Faraday's law. You can also play with electromagnets, generators, and transformers!

Young scholars learn the basics of the electromagnetic spectrum and how various types of electromagnetic waves are related in terms of wavelength and energy. In addition, they are introduced to the various types of waves that make up the...

Broadcast radio waves from KPhET. Wiggle the transmitter electron manually or have it oscillate automatically. Display the field as a curve or vectors. The strip chart shows the electron positions at the transmitter and at the receiver.

[Free Registration/Login may be required to access all resource tools.] Explores what an electromagnet is, its strength, and how it can easily be turned on and off.

Move a bar magnet or an electromagnet around to see how the magnetic fields change. Requires Java.

[Free Registration/Login may be required to access all resource tools.] Describes electromagnetic devices and how they work.

Learners investigate electromagnetic induction. Some topics explored in the activities are Faraday's law of induction, superconductivity, and non-conservative fields. The resource consists of video clips, online textbook chapters,...