Other
World Nuclear Association: Radiation and Life
This article presents illustrations and a general discussion about radiation.
Boise State University
Boise State: Nuclear Chemistry and Radiation: Types of Radioactive Decay
This article with embedded videos provides information about three main types of radioactive decay: alpha, beta, and gamma.
NASA
Nasa: Imagine the Universe: Gamma Ray Astronomy Satellites and Missions
"We present the many satellites which have detected electromagnetic radiation through the 1960s, 70s, 80s, and 90s." Visit this site to read more about the development of satellites throughout the history of gamma-ray astronomy. Graphics...
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.
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.
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.
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.
TED Talks
Ted: Ted Ed: Radioactivity: Expect the Unexpected
Video explaining the process, risks, and benefits of radioactivity. [4:16] Followed by a short quiz and a list of additional resources to explore.
American Museum of Natural History
American Museum of Natural History: O Logy: Light, Matter, Energy: Light the Way
What is electromagnetic radiation and how does it work? Review a captioned graphic that explains electromagnetic radiation and the visible and invisible types of radiation on the electromagnetic spectrum.
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.
Atomic Archive
Nuclear Fusion: The Hydrogen Bomb
From the Atomic Archive - the online companion to the award-winning CD-ROM. This page (and the couple that follow from it) describe the use of fusion reactions in a hydrogen bomb. A schematic diagram of an H-bomb is given and discussed....
NASA
Nasa's the Space Place: A Trip to the Land of the Magic Windows
Explore the electromagnetic spectrum and learn about each type of energy on the spectrum.
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.
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.
NASA
Nasa: Imagine the Universe: Welcome to the World of X Ray Astronomy
Site recounts how X-rays were discovered as well as who discovered them. Offers graphics, links to facts on this topic, a quiz, and teacher resources.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Nuclear Chemistry
This online textbook chapter provides learners with advanced-level material on acids and bases.
Other
Nondestructive Testing Resource Center: Radiographic Inspection
This tutorial helps students learn about Radiographic Inspection through the concept of Newton's Inverse Square Law.
Soft Schools
Soft Schools: Radioactivity Quiz
Take an interactive quiz over radioactivity. After completing the quiz, check your score, and then revisit any incorrect question for further review.
NASA
Nasa: The Space Place: The Land of the Magic Windows
This is a site from NASA that contains an interesting and fun way to learn about the electromagnetic spectrum. Kate receives a strange riddle from her grandfather. Find out what it says and go through the gateway to the Land of the Magic...
Science Struck
Science Struck: Half Life in Nuclear Chemistry
Explains what is meant by the half-life of a radioactive element and how it is calculated.
Lawrence Berkeley National Laboratory
Berkeley Lab: Nuclear Medicine: Cancer Therapy
Use this site to learn how gamma rays and other forms of treatment are used to destroy cancer cells.
Lawrence Berkeley National Laboratory
Berkeley Lab: Radioactivity
Overview of radioactivity, the process in which particles are emitted from nuclei as a result of nuclear instability.
NASA
Nasa: Imagine the Universe: Welcome to the World of Multiwavelength Astronomy!
This Imagine the Universe site provides an introduction into the multiwavelength universe and astronomy. Site provides graphics, links to a quiz, facts on this topic as well as teacher resources.
Wikimedia
Wikipedia: The Black Hole
This site examines the black hole as an object in astrophysics. Delve into this comprehensive resource that covers this concept from its history, to qualitative physics, the reality of black holes, mathematical physics and more.