Overview
The structure of the nucleus. What is the nucleus made of, and how do the pieces fit together? What is the distinction between different isotopes of the same element?
Radioactive decay. What is radioactive decay, and how does it relate to changes in the nucleus? Why can radioactivity be dangerous?
Nuclear reactions and nuclear fission. What are nuclear reactions, and how do they differ from chemical reactions? How was nuclear fission discovered? How can fission produce a chain reaction?
Nuclear reactors. How do nuclear reactors work? What are the functions of the moderator, the control rods, the coolant, and other reactor components? What do nuclear wastes consist of?
Nuclear weapons and nuclear fusion. How does a nuclear bomb work? What is nuclear fusion, and how can it be used to release energy?