University of Colorado
University of Colorado: Ph Et Interactive Simulations: Nuclear Fission
Start a chain reaction, or introduce non-radioactive isotopes to prevent one. Control energy production in a nuclear reactor.
Other
Need: Exploring Nuclear Energy [Pdf]
This downloadable article addresses all aspects of nuclear energy. Visual charts make understanding of cycles and concepts easier. Most useful for older students and educators. PDF (requires Adobe Reader).
CK-12 Foundation
Ck 12: Fission and Fusion
[Free Registration/Login may be required to access all resource tools.] Students will investigate fission and fusion, and discover how they play a part in nuclear chain reactions in fission bombs, nuclear power plants, and radiation in...
CK-12 Foundation
Ck 12: Earth Science: Nuclear Power
[Free Registration/Login may be required to access all resource tools.] How energy can be generated through nuclear reactions.
Atomic Archive
The Atomic Archive: Nuclear Fission
Several pages describing the nuclear fission process. Fission reactions are depicted with diagrams and described in words. Part of an extensive site with well-written information on nuclear power and nuclear science.