NOAA has produced a series of topic papers for use by teachers and students. This paper is on the increase of radio wave activity and the effects solar emissions have on it. PDF format.

[Free Registration/Login may be required to access all resource tools.] Radio waves and how they are used for AM and FM radio and television.

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.

Manually or computer generated, students can test radio waves being transmitted from a virtual radio station to a home. Study the curve, vectors, electric field, and more.

PBS site explores radio transmission and provides a fun activity to go along with it. (Shockwave required) Click on links to discover more about the early years of radio, how radio waves are emitted, what the difference is between AM and...

An extensive collection of links on anything to do with amateur radio, including experiments and projects, crystal set radio, radio magazines, educational sites, and materials suppliers.

Through informational text, interactive activities, practice problems, and virtual simulations, students explore the properties of electromagnetic waves.

Wikipedia provides detailed information on radio telescopes, including an image, hyperlinked terms, and related topics.

NASA site provides information on waves, electromagnetic waves and their wavelengths.

This page and the three pages which follow discuss how X-ray technology can be used to produce an image of the human body. Discussion is understandable and highly intriguing. Several interactive animations allow the visitor to explore...

Wireless communication was around in the 1800's. Learn about Guglielmo Marconi, his discovery of wireless communication and his rewards.

This site details what radiation is, the physics of radiation, and radiative transfer as it occurs in nature. Content explores the electromagnetic spectrum, electromagnetic waves, properties of radiation, and solar radiation.

An educational site devoted to the study of radio signals in our environment. The project seeks schools, classrooms, and individual students and teachers who are willing to participate in the collection and analysis of radio signal data....

Describes the collection of 1.2m millimeter wavelength radio telescopes that are operated by the Millimeter Wavelength Group at Harvard Smithsonian. It details some history of radio astronomy and of the telescope itself, gives great...

Homepage of a radio telescope operated by Caltech in Hawaii. This radio telescope focusses on submillimeter frequencies. Be sure to look at the General Information link for info on telescope and the Astrophysics link to find information...

Sir Oliver Lodge's experiment demonstrating the first tunable radio receiver was an important stepping stone on the path toward the invention of a practical radio.

Students 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...

Kids learn about the types of electromagnetic waves in the science of physics including microwaves, infrared, ultraviolet, radio, x-rays, and gamma rays.

Ultraviolet (UV) light has shorter wavelengths than visible light. Though these waves are invisible to the human eye, some insects can see them. The specific wavelength values are given. Uses and applications of these waves are explained.

Read about Guglielmo Marconi's life and his scientific achievements in the realm of radio and communications. Hear wireless transmissions, and use the interactive timeline to see the development and use of Marconi's achievements.

An extensive site covering all aspects of Lee de Forest, his inventions, writings, and personal life. Find drawings and pictures of his audion tube and find out about his legacy, especially in the world of electronics.

A discussion of reflecting telescopes and their use in radio astronomy. The types of information gained from and the research emphasis fueled by such telescopes is described. Site uses Hollywood references and a humorous style.

This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 2 of 4 in the series titled "Electromagnetic Spectrum."

This lesson will introduce the electromagnetic spectrum and the properties and uses of the waves it contains. It is 3 of 4 in the series titled "Electromagnetic Spectrum."