IB Physics HL · E.4 Fission
Fission and chain reactions for IB Physics HL
Fission and chain reactions is mapped to E.4 Fission in the IB Physics HL pathway. Use this public guide to see exactly where the concept fits, what to master, and which GioPhysics resource continues the study sequence.
Where this fits
E.4 Fission
- Curriculum
- IB Physics HL
- Theme or group
- Nuclear and quantum physics
- Current framework
- First assessment 2025
Fission energetics follow from the binding-energy curve in Chapter 46.
Mastery checklist
Know what success looks like.
- 01
State the physical model and the evidence or observation it explains.
- 02
Track energy, momentum, charge, and nucleon number through the process where applicable.
- 03
Interpret the relevant spectrum, decay, probability, or binding-energy representation.
Exam lens
Build, apply, check.
E.4 Fission is identified as SL + HL in this curriculum map. Build the concept first, then practise selecting a model, showing working, and checking the final result.
Teaching sequence
E.4 Fission
This syllabus point maps to 3 ordered concept guides.
- 01Mass defect, binding energy, and nuclear reactions
- 02Fission and chain reactionsCurrent guide
- 03Fission reactors