Across
- 5. Change in position of an object.
- 7. Occurrence when one celestial body moves into the shadow of another.
- 9. A celestial body orbiting a star.
- 10. Polish astronomer who proposed the heliocentric model of the universe
- 13. Who was this made by?
- 15. Principles governing motion, as defined by Newton.
- 16. Instrument for observing distant celestial objects.
- 18. Force that attracts two bodies toward each other.
- 19. Science concerned with the nature and properties of matter and energy.
- 20. Systematic investigation to establish facts.
Down
- 1. German astronomer known for his laws of planetary motion
- 2. English physician who discovered blood circulation(two words)
- 3. Italian astronomer and physicist known for his improvements to the telescope and support of heliocentrism
- 4. Model where the sun is at the center of the universe.
- 6. What grade am I getting on the newspaper?
- 8. A well-substantiated explanation of an aspect of the natural world, often based on scientific evidence.
- 11. The path one body takes around another in space.
- 12. English mathematician and physicist known for his laws of motion and universal gravitation
- 14. Study of celestial objects and the universe.
- 17. An object that orbits a planet.