Across
- 3. Isaac Newton used mathematics to show that a single force keeps the planets in their orbits around the sun. He called this force _______.
- 4. Exploring human anatomy relied on the works of the ancient Greek physician ______.
- 6. William Harvey described the _____ of the blood for the first time.
- 8. To explain their data, scientists used reasoning to propose a logical _________ or possible explanation.
- 9. Rene Descartes is the father of Modern _____.
Down
- 1. Anton van Leeuwenhoek is the father of ________.
- 2. Newton developed a branch of mathematics called _______.
- 5. chemistry was known as _____.
- 7. Galileo assembled a __________ and observed that the four moons of Jupiter move slowly around that planet.