Across
- 2. an astronomer,physicist,and engineer known for his telescopic observations and advocacy for heliocentrism
- 3. the study of cosmos
- 5. the theory that the Earth is the center of the universe
- 7. the process of conducting controlled tests to gather data and test a hypotheses
- 8. the theory that the sun is the center of the universe not the Earth
- 9. an instrument that makes distant objects appear closer and larger, crucial for astronomical observations
- 10. a physicist and astronomer, known for his laws of motion
Down
- 1. an instrument that magnifies small objects allowing for the study of microscopic structures
- 4. the person who created the heiocentric theory
- 6. A systematic approach to acquiring knowledge through observation,experimentation, and reasoning