Texas Education Agency
Texas Gateway: Ap Physics I: Appendices: Selected Radioactive Isotopes
This is a chart showing Selected Radioactive Isotopes including: Decay Mode(s), Energy(MeV), y-Ray Energy(MeV), and more.
CK-12 Foundation
Ck 12: Earth Science: Radioactive Decay as a Measure of Age
[Free Registration/Login may be required to access all resource tools.] An overview of radioactive decay.
CK-12 Foundation
Ck 12: Earth Science: Radioactive Decay as a Measure of Age
[Free Registration/Login may be required to access all resource tools.] An overview of radioactive decay.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Nuclear Fission
Start a chain reaction, or introduce non-radioactive isotopes to prevent one. Control energy production in a nuclear reactor.
CK-12 Foundation
Ck 12: Physical Science: Isotopes
[Free Registration/Login may be required to access all resource tools.] Definition of isotopes, how they are named and their stability.
Physics Aviary
Physics Aviary: Practice Problems: Activity of an Isotope
Determine the activity of a radioactive sample by measuring the counts per minute that are detected by a sensor.
BBC
Bbc: Gcse Bitesize: Radioactive Emissions
This lesson focuses on radioactive emissions including radioactive decay, half-life, using half-life, how to calculate net decline, a table showing how the count rate of an isotope might change over time, and a link to a test.
Science Education Resource Center at Carleton College
Serc: Radioactive Dating: Looking at Half Lives Using M&ms
In this activity, students gain a better understanding of radioactive dating and half-lives by using M&Ms to demonstrate the idea of radioactive decay. They will be able to see how scientists can determine the age of rocks by looking...
CK-12 Foundation
Ck 12: The Nucleus and Isotopes
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about the particles in an atomic nucleus, isotopes, and nuclear forces.
Other
American Institute of Physics: Marie Curie and Radioactivity
A very readable account of the discovery of radioactivity and its properties.
PBS
Pbs Teachers:nordic Sagas: Radioactive Reindeer
Demonstrate how soil absorbs radioactivity by simulating the absorption of the radioactive isotope from the Chernobyl disaster into the lichen of Scandinavia. Use a chart to figure out the half-life of the isotope.
Science Education Resource Center at Carleton College
Serc: Radioactive Decay Calculator
Students will use this online Radioactive Decay Calculator to compute radioactive decay, timed decay, and timed solid disposal for a databank containing 116 isotopes. This calculator also features University of British Columbia disposal...
Khan Academy
Khan Academy: Understanding the Properties of Radioactive Tracers
Read the passage and study the graphic to complete the five-question quiz about the properties of radioactive tracers.
CK-12 Foundation
Ck 12: Physics Simulation: Marie Curie's Classroom
[Free Registration/Login Required] Study the basics of radioactive decay and the properties of atomic nuclei in Marie Curie's laboratory and classroom. A PDF worksheet and a video tutorial are also available. [3:32]
Wikimedia
Wikipedia: Carbon
This article from Wikipedia contains great information on the element carbon. Links are provided throughout the article to provided additional information. The topics include: Notable Characteristics, Applications, History, Allotropes,...
Web Elements
Web Elements Periodic Table: Plutonium
This WebElements site provides a great deal of elemental information. There are audio files demonstrating the correct pronunciation of the element name, pictures showing the electron shells, and information on isotopes, properties and more.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Nuclear Fission
Analyze nuclear fission chain reactions and how to prevent them as well as explore ways to control nuclear reactions through these simulations.
Texas Instruments
Texas Instruments: Numb3 Rs: A Matter of Half Life and Death
Based off of the hit television show NUMB3RS, this lesson introduces students to the topic of exponential decay and half-life. The lesson is built around Cesium-137, a radioactive isotope, and it's declining radioactivity over the course...
University of Colorado
University of Colorado: Physics 2000: Halflife
An interactive tutorial on half life. Very readable and has a little extra for the advanced student.
Physics Aviary
Physics Aviary: Practice Problems: Half Life From Graph
Determine the half-life of an isotope based on the graph of the amount of the isotope left as a function of time.
Physics Aviary
Physics Aviary: Practice Problems: Half Life From Data
Determine the half-life of an isotope based on the activity data of the isotope as a function of time.
Physics Aviary
Physics Aviary: Practice Problems: Decay Constant and Half Life From Table
Determine the decay constant and half-life of an isotope based on the activity data of the isotope as a function of time.
Texas Instruments
Texas Instruments: Half Life Lab
This activity explains how students use a CBL2 and TI-83 or TI-84 calculator to collect and calculate the half-life of a barium isotope. Students can use an isogenerator to milk out a meta stable isotope of Barium with a short half-life....
CK-12 Foundation
Ck 12: Physical Science: Radioisotopes
[Free Registration/Login may be required to access all resource tools.] What a radioisotope is and why they have unstable nuclei. Elements in which all of the isotopes are radioactive.