US Environmental Protection Agency
Epa: Radiation Protection
Find out about the EPA's Radiation Protection Division, which aims to protect the nation's people and environment from harmful exposure to radiation.
BBC
Bbc: Gcse Bitesize: Radiation Treatment
X-rays, gamma rays and beta particles are all used in medicine to treat internal organs. X-rays are produced by firing electrons at a metal target and gamma rays are emitted by the nucleus of radioactive atoms. Gamma rays are used to...
Florida State University
Florida State University: Nature of Electromagnetic Radiation
This site from The Florida State University provides an informational page on electromagnetic radiation discusses the characteristics and properties of its many forms including X-rays, gamma rays, ultraviolet radiation, infrared...
NASA
Nasa: Imagine the Universe: The History of Gamma Ray Astronomy
This NASA article discusses the history of gamma-ray astronomy. Related resources.
TED Talks
Ted: Ted Ed: Is Radiation Dangerous?
Matt Anticole describes the different types of radiation. [5:20]
Read Works
Read Works: Electromagnetic Radiation
[Free Registration/Login Required] An informational text about electromagnetic radiation and the effects it creates. A question sheet is available to help students build skills in reading comprehension.
NASA
Viewing the Violent Universe: What Are Gamma Rays?
The universe produces a broad range of light, only a fraction of which is visible to our eyes. Gamma rays are nonvisible light, which also includes x-rays, ultraviolet light, infrared radiation, and radio waves.
University of California
Center Science Edu.: Electromagnetic Radiation on Trial
Here is a 1-5 day unit on electromagnetic radiation that features a teacher guide and student activities with extensions.
University of California
U.c. Berkeley: Spectra From Space
View the entire spectrum of electromagnetic radiation and get information on telescopes especially designed to view different wavelengths of the spectrum.
University of Wisconsin
The Why Files: Things That Go Bump in Space
Contains an introduction to x-ray astronomy, describing how x-rays are being used by scientists to learn about the universe. Also contains links to sites describing black holes, dark matter, neutron stars, and how they are investigated...
University of Colorado
University of Colorado: Physics 2000: Electromagnetic Waves
Using a student-teacher dialogue format, this page discusses the nature of light as an electromagnetic wave and the electromagnetic spectrum.
NASA
Nasa: Imagine the Universe: Pulsars
Resource explores what a pulsar is, as well as what is currently known about this phenomenon. Content includes a focus on x-ray observations of pulsars, and gamma-ray pulsars.
Cosmo Learning
Cosmo Learning: Applied Science and Technology 210: Electrical Engineering
A collection of video lectures from a course that explores the application of electrical engineering topics. Webpage includes twenty-eight lectures from a professor at the University of California, Berkeley. Lectures vary in length and...
Nobel Media AB
The Nobel Prize: Antoine Henri Becquerel Biographical
Read about Becquerel's (1852-1908 CE) contributions to the world of science, which earned him The 1903 Nobel Prize in Physics. This detailed biography includes important dates as well as an overview of his world with radioactivity.
Science Buddies
Science Buddies: Career Profile: Nuclear Medicine Technologist
Nuclear medicine offers a look into the body that x-rays can't show. The nuclear medicine technologist is responsible for admininistering the the various tests that are afforded by nuclear medicine. The technologist can also be the one...
Famous Scientists
Famous Scientists: Wilhelm Rontgen
A short biography about the scientist who produced and detected electromagnetic radiation in a wavelength range known as X-rays or Rontgen rays, which earned him the first Nobel Prize in Physics in 1901.
Careers New Zealand
Kiwicareers: Radiation Oncologist
KiwiCareers offers a very informative site about the duties of an oncologist. Even though it was written for a New Zealand audience, the principles are the same.
Nobel Media AB
The Nobel Prize: Carl D. Anderson Biographical
This site provides a brief article from The Nobel Foundation on the American Physicist, Carl David Anderson. The article overviews his education and involvement in radiation research and cosmic-ray studies, through which he discovered...
Discovery Education
Discovery Education: The Em Spectrum: Waves of Energy
Students are introduced to the electromagnetic spectrum through this group research activity. Each group investigates a different wavelength range within the em spectrum and reports back to class. Discussion ideas also included.
Nobel Media AB
The Nobel Prize: Wilhelm Conrad Rontgen Biographical
This biographical note on Wilhelm Conrad Rontgen describes his boyhood, upbringing, education, scientific work and accomplishments. Focuses on his studies of Xrays.
Nobel Media AB
The Nobel Prize: The Nobel Prize in Physics 1935 Presentation Speech
The Nobel Physics Chairman made this speech when presenting the Prize to Chadwick. It clearly explains the importance and depth of Chadwick's work. Site by Nobel e-Museum.
PBS
Pbs Learning Media: The Electromagnetic Spectrum: Frontline
This video segment adapted from FRONTLINE introduces the electromagnetic spectrum and explains how the various types of electromagnetic waves are distinguished by the amount of energy each wave carries.
US Department of Labor
Bureau of Labor Statistics: Radiologic Technician
Published by the Department of Labor, this site details the Radiologic Technician Career. Employment outlook, and projections are provided with training and qualifications data.