Cool Math
Coolmath: Radioactive Decay 2
This Algebra Cruncher generates an endless number of practice problems for radioactive decay -- with hints and solutions! Find the half-life.
Science Struck
Science Struck: List of Radioactive Elements
Learn about radioactivity, the different types of radioactive decay, isotopes, and half-life of a radioactive element. Includes a long chart listing radioactive elements, atomic number and mass number, decay type, and length of half-life.
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.
Concord Consortium
Concord Consortium: Exponential Decay
Learn about exponential decay in real-world situations. Problems involve the application of depreciation of an asset and radioactive decay. Learn to apply exponential decay equations and interpret graphs.
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: Radiometric Dating
[Free Registration/Login may be required to access all resource tools.] Elaborates on radioactive decay as a tool for determining the age of certain minerals and other materials, including the limits of the technique.
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.
Khan Academy
Khan Academy: Radioactive Decay Types Article
This article from Khan Academy provides information about radioactive decay. This information is intended for the Class 12 Physics Course (India).
Khan Academy
Khan Academy: Characteristics of Various Therapeutic Radioisotopes
Read this passage and study the graphics to complete a five-question quiz on the characteristics of various therapeutic radioisotopes.
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.
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.
Lawrence Berkeley National Laboratory
Berkeley Lab: Gamma Decay
A brief explanation of the process of gamma decay is provided.
University of Saskatchewan (Canada)
University of Saskatchewan: Modeling Exponential Decay Using Logarithms
Radioactive decay is a real-life example of exponential decay. This site solves an example problem by using the exponential decay equation.
Exploratorium
Exploratorium: Radioactive Decay Model
Substitute coins for radiation. A coin experiment using radioactive decay.
Other
Georgia Perimeter College: Radiometric Dating Assignment
This educational resource provides information to help students understand the concept of half life.
Google
Google for Education: Model Radioactive Decay Using Computational Thinking
Through this demonstration young scholars will understand radioactive including its probabilistic nature and begin to see how scientists use computational thinking to model complex phenomena.
Other
World Nuclear Association: Radiation and Life
This article presents illustrations and a general discussion about radiation.
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.