Choosing a methodology: Eratosthenes, Doppler, Priestley and Marshall and Warren, judged against the literature

What this note covers

1. Different investigations, different methods
2. Eratosthenes: measuring the Earth with a shadow
3. Doppler: a mathematical prediction tested in the field
4. Priestley: controlled experiments with gases
5. Judging relevance against the peer-reviewed literature
6. Exam practice: justifying a methodology

6 sections · 10 key terms & formulas · 6 common mistakes