Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Alpha Decay

For Students 9th - 10th
Watch alpha particles escape from a polonium nucleus, causing radioactive alpha decay. See how random decay times relate to the half life. Java required.
Unit Plan
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game

For Students 9th - 10th
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...
Unit Plan
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Radioactive Dating Game

For Students 9th - 10th
Explore various types of radiometric dating.
Unit Plan
California State University

California State University Virtual Courseware Project: Radiocarbon Dating

For Students 9th - 10th
Use interactive graphs and other diagrams to answer questions about carbon dating.
Handout
University of Michigan

University of Michigan: Radioactivity in Nature

For Students 9th - 10th
An interesting essay about the prevalence of radioactivity in nature, with chart showing where it is found and information about half lives.
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Alpha Decay

For Students 9th - 10th
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.
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: A Matter of Half Life and Death

For Teachers 9th - 10th
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...
Activity
Texas Instruments

Texas Instruments: Half Life Lab

For Teachers 9th - 10th
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....
Handout
University of Colorado

University of Colorado: Physics 2000: Halflife

For Students 9th - 10th
An interactive tutorial on half life. Very readable and has a little extra for the advanced student.
Lesson Plan
National Health Museum

Access Excellence: Teaching Radioactive Decay

For Teachers 9th - 10th
This is a lesson plan involving the simulation of the radioactive decay of an imaginary substance.
Unit Plan
BBC

Bbc: Gcse Bitesize: Radioactive Emissions

For Students 9th - 10th
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.
Unit Plan
Other

American Institute of Physics: Marie Curie and Radioactivity

For Students 9th - 10th
A very readable account of the discovery of radioactivity and its properties.
Article
Khan Academy

Khan Academy: Mcat: Physical Processes: Atomic Nucleus: Decay Graphs and Half Lives Article

For Students 9th - 10th
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.
Activity
Other

Georgia Perimeter College: Radiometric Dating Assignment

For Students 9th - 10th
This educational resource provides information to help students understand the concept of half life.
Unit Plan
PBS

Pbs Teachers: Coming Into America: Dating Artifacts 9 12 [Pdf]

For Teachers 9th - 10th
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...