Australian Museum
Australian Museum: Radioactive Dating
This article explains what radioactive dating is and describes the different techniques used, what they are used for, and the limitations of each.
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: Earth Science: Radiometric Dating Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about methods used in radiometric dating. Includes a few questions to check for understanding.