Across
- 5. who theorized world not dark place
- 8. yes or no was one of the best scientists
- 9. invented a certainty type of math we learn today
- 10. how did he discover gravity
Down
- 1. made the laws of this
- 2. used math to explain this
- 3. he discovered this
- 4. see other planets
- 6. did not invent a lot of things true or false
- 7. yes or no was a very smart person