University of Colorado
University of Colorado: Ph Et Interactive Simulations: Alpha Decay
Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life. Java required.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game
Learn about different types of radiometric dating, such as carbon dating. Understand how decay and half life work to enable radiometric dating. Play a game that tests your ability to match the percentage of the dating element that...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game
Explore various types of radiometric dating.
California State University
California State University Virtual Courseware Project: Radiocarbon Dating
Use interactive graphs and other diagrams to answer questions about carbon dating.
University of Michigan
University of Michigan: Radioactivity in Nature
An interesting essay about the prevalence of radioactivity in nature, with chart showing where it is found and information about half lives.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Alpha Decay
Via this interactive SIMS experiment, students will grasp better understanding of decay in alpha particles and their relationship to half life. Lessons and teacher tips included.
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...
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....
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.
National Health Museum
Access Excellence: Teaching Radioactive Decay
This is a lesson plan involving the simulation of the radioactive decay of an imaginary substance.
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.
Other
American Institute of Physics: Marie Curie and Radioactivity
A very readable account of the discovery of radioactivity and its properties.
Khan Academy
Khan Academy: Mcat: Physical Processes: Atomic Nucleus: Decay Graphs and Half Lives Article
Explains how scientists can tell when radiation has been leaked, how to read a decay graph, what we mean by a half-life, and what carbon dating is.
Other
Georgia Perimeter College: Radiometric Dating Assignment
This educational resource provides information to help students understand the concept of half life.
PBS
Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf]
Investigate new discussions on the presence of humans in North America, and emulate the work of archeologists in dating artifacts at a dig site. Use clay to model how the radioactive isotope of carbon (C14) is used in dating organic...