OCR GCSE Combined Science A · J250
Specification WS1.2c, WS2a · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2
Revise: Selection of Apparatus and TechniquesChoosing apparatus begins with deciding what you need to measure, the size of the measurement and how much detail the result needs. An instrument must have enough range to cover the expected values and suitable resolution: the smallest change it can distinguish.
- Revise: Execution of Experiments