Stores, transfers, and conservation
Stores, transfers, and conservation
A system is the object or group of objects you decide to study. Physicists track energy using stores such as kinetic, gravitational, elastic, thermal, and chemical.
Step-by-step lessons on OCR GCSE Physics Work done. Each one builds up to exam-style questions. Paper 2 and Paper 4 include synoptic questions that draw on Topics P1–P4, so revisit earlier topics before final exams rather than treating each paper as self-contained.