Across
- 1. sailing tool to measure stars
- 3. title of assignment
- 8. maker of the three laws of motion
- 9. method scientists use
- 10. idea that people should use reason to understand the world
Down
- 2. creator of scientific method and named after pig meat
- 4. idea that earth is the center
- 5. first to use telescope for astronomy
- 6. idea that sun is the center
- 7. law that states gravity acts on all objects