IB Physics HL · E.5 Fusion and stars
Stellar formation and life cycles for IB Physics HL
Stellar formation and life cycles is mapped to E.5 Fusion and stars 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.5 Fusion and stars
- Curriculum
- IB Physics HL
- Theme or group
- Nuclear and quantum physics
- Current framework
- First assessment 2025
Fusion processes are Chapter 51; stellar life cycles, the HR diagram, and stellar fusion are Chapter 53.
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.5 Fusion and stars 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.5 Fusion and stars
This syllabus point maps to 3 ordered concept guides.
- 01Fusion processes
- 02Stellar formation and life cyclesCurrent guide
- 03The Hertzsprung-Russell diagram