Across
- 2. Created the scientific method
- 3. Found that orbits are not perfect circles
- 5. Made a telescope powerful enough to see the moon
- 6. Came up with the idea of Heliocentric solar system
Down
- 1. Came up with the three laws of physics that help explain things, like gravity
- 2. discovered the lymphatic system
- 4. discovered red blood cells