Exercise 10 answer the questions. 1. what have people always wondered about? 2. how did the early philosophers describe the world? 3. how did early astronomers predict the movements of the sun and the moon? 4. what did eastern scholars study in the 12th and 13th centuries? 5. who described the solar system with the sun at its centre? 6. what great area of investigation was in the 19th century? 7. who discovered radio waves х-rays? 8. what is thermodynamics? 9. what theories did robert boyle and james prescott joule set out? 10. what did rontgen’s discovery of х-rays and the work of pierre and marie curie on radioactivity lead to? 11. what is quantum mechanics? 12. why is physics very important? 13. how can you define physics as a science? look at the dictionary on the internet.
