Curated OER
Writing Nuclear Reactions
For this writing nuclear reactions worksheet, high schoolers read about nuclear equations for alpha decay, beta decay and positron emission. They are given the rules for writing nuclear reactions and a sample problem.
Curated OER
Nuclear Chemistry Worksheet
In this nuclear chemistry instructional activity, students solve nine problems about half life, positron emission, nuclear fission and nuclear fusion.
University of Colorado
University of Colorado: Physics 2000: Positrons, Alpha Particles, Gamma Rays
An interactive tutorial on positrons. Very readible and has a little extra for the advanced student.
Science Struck
Science Struck: How Does Radioactive Decay Work?
Explains the processes of radioactive decay in primary and secondary modes.