OCR GCSE Combined Science A · J250
Specification WS1.1a, WS1.1c, WS1.3f · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2
Observations or measurements used to test and assess a scientific explanation.
Revise: Evolution of Scientific Methods and TheoriesScientific knowledge is built from evidence, rather than simply accepting an idea because it sounds convincing. A hypothesis is a proposed explanation that can be tested. Scientists work out what they would expect to observe if it were correct, then use experiments or observations to collect evidence.
- Revise: Power and Limitations of Science