There are six teaching topics for each of the sciences, plus one general chapter in ideas about science, and one practical skills chapter:
Students must complete either foundation tier (components 01, 02, 03 and 04) of higher tier (components 05, 06, 07, 08) to be awarded the OCR GCSE (9-1) in Combined Science B (Twenty First Century Science).
There are 20 teaching chapters in total, six for each of physics, chemistry and biology, plus ideas about science and a practical skills activity.
In all three sciences, students develop their understanding of how scientific principles and concepts help describe complex and diverse natural phenomena in terms of a small number of key ideas. They also develop relevant practical skills.
The six teaching chapters are further subdivided:
The six chapters are further subdivided: