Across
- 2. discovers Saturn’s rings after building a new telescope
- 5. developed the first set of unified scientific laws.
- 6. person who made transformations in astronomy.
- 7. used a microscope to observe the cellular basis of life
- 9. finds that Earth has magnetic poles and acts like a huge magnet.
- 10. discovers the red blood cell.
- 11. studied speed and velocity, gravity and free fall, the principle of relativity, inertia, projectile motion.
- 12. A theory stating that knowledge comes only, or primarily, from sensory experience.
Down
- 1. A time (1550-1700) following the Middle Ages and the Renaissance when many discoveries were made.
- 3. discovers the human lymphatic system.
- 4. studies of space.
- 8. invented the adding machine.