Across
- 5. An Egyptian known for medical knowledge and the ability to heal
- 7. The first civilization to develop a compass
- 9. Deduced orbits were elliptical not circular
- 10. Studied geometry and algebra
Down
- 1. Developed the 3 laws of motion
- 2. Figured out the sun is the center of the planetary system
- 3. Developed new ways of looking at light, matter, and gravity
- 4. Determined energy cannot be created or destroyed, only changed
- 6. Predicted planetary events
- 8. Studied electricity