Across
- 3. when the moon blocks our view of the sun or vice versa
- 5. the path an object takes while it is revolving
- 9. a star and all the planets that orbit it
- 11. a smaller representation of something
- 13. the rise and fall of the sea level due to the gravity of the moon and sun
- 14. the part of the moon that we can see on a given night
- 15. to move around an object
- 16. the imaginary line that something rotates around
- 17. a large group of stars that are connected by gravity
Down
- 1. any human-made object sent into space
- 2. a sequence (set) of events that repeats
- 4. a ratio of the size of an object to the size of a model of that object
- 6. a sloping position
- 7. to spin around a single point
- 8. something that occurs repeatedly and predictably
- 10. the cycle of the moon's phases at it orbits around the Earth
- 11. a part of the year marked by particular weather patterns
- 12. a natural force that pulls two objects towards each other
- 14. the amount of matter (stuff) in an object