Across
- 2. discovered and explained blood circulation and other functions of the heart
- 4. presented the idea that the orbit of planets around the Sun is not circular but elliptical
- 7. attempts to create knowledge on the natural world by means of experimentation, observation and validating theories
- 8. discovered the laws of gravity and inertia
- 10. believed that the Earth was the center of the universe
Down
- 1. came to the conclusion that the only thing that should not be doubted was doubt itself
- 3. discovered the world of single-celled organisms through a microscope
- 5. view that the Sun is the center of the universe
- 6. pioneered the study of plants and animals and developed a system of naming and classifying them
- 9. means knowledge