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....
Georgia Department of Education
Ga Virtual Learning: Physical Science: Nuclear Chemistry
A complete learning module with interactive activities as well as informational text to help students distinguish the characteristics and components of radioactivity.
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]