CK-12 Foundation
Ck 12: Physical Science: Radioactive Decay
[Free Registration/Login may be required to access all resource tools.] What radioactive decay is and the three different types. How it changes one element to another and its dangers.
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.
National Health Museum
Access Excellence: Teaching Radioactive Decay
This is a lesson plan involving the simulation of the radioactive decay of an imaginary substance.
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...
Science Education Resource Center at Carleton College
Serc: Teaching Radioactive Decay & Radiometric Dating
A laboratory activity that teaches the difficult concept of radioactive decay by means of a fluid (shampoo) flowing through holes from an upper to a lower beaker. Using the exponential decay equation, learners then 'date' the shampoo....
Texas Education Agency
Texas Gateway: Nuclear Chemistry: Radioactive Decay
Given illustrations, symbols, or descriptions, students will balance nuclear equations.
CK-12 Foundation
Ck 12: Radioactivity
[Free Registration/Login may be required to access all resource tools.] This lesson explains the types of radioactive decay and how to write nuclear equations. Includes simulations for learning about alpha and beta particle decay.
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.
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.
CK-12 Foundation
Ck 12: Physical Science: Radioactive Half Life
[Free Registration/Login may be required to access all resource tools.] The half-life of a radioisotope, rates of radioactive decay and variation in half-lives in different radioisotopes.
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.
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...
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.
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.
CK-12 Foundation
Ck 12: Physical Science: Beta Decay
[Free Registration/Login may be required to access all resource tools.] How and why beta decay occurs, its dangers, beta-minus and beta-plus decay and how to write a balanced nuclear equation for beta decay.
CK-12 Foundation
Ck 12: Physical Science: Alpha Decay
[Free Registration/Login may be required to access all resource tools.] How and why alpha decay occurs, its dangers and how to write a balanced nuclear equation for alpha decay.
Science Education Resource Center at Carleton College
Serc: Radioactive Dating: Looking at Half Lives Using M&ms
In this activity, middle schoolers 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...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Exponential Decay
Find a quick, concise explanation of exponential decay in several different settings. An example is given and clearly explained for each of those settings.
CK-12 Foundation
Ck 12: Physical Science: Gamma Decay
[Free Registration/Login may be required to access all resource tools.] Explains how and why gamma decay occurs, what gamma rays are, and why gamma radiation is the most harmful.
Story Behind the Science
Story Behind the Science: Just How Old Is Earth? [Pdf]
Article describing efforts in the 19th and 20th centuries to determine the Earth's age, particularly using naturally occurring radioactivity. It notes that scientific disciplines frequently overlap in the work they do. Questions are...
Other
Andy Darvill's Science Site: Types of Radioactivity
Find out about radioactivity, and how it occurs inside an atom's unstable nucleus.
Other
American Institute of Physics: Marie Curie and Radioactivity
A very readable account of the discovery of radioactivity and its properties.
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]