Across
- 1. always away from the ground, even though people in different parts of the world might see different stars when they look up
- 4. an arrangement of star as seen from Earth
- 8. always toward the ground
- 9. a push or a pull
- 11. getting smaller in size
- 14. north, south, east and west
- 16. a period of time that is 24 hours and includes daytime and nighttime
- 17. the approximate amount of time it takes for the moon to orbit the earth one time
- 18. careful and orderly
- 20. a spin in the opposite direction that all analog clocks spin
- 21. a synonym for the constant in an investigation
Down
- 2. something we observe to be similar over and over again
- 3. the term used when all of the surface of the moon is visible
- 5. the term used when more than half of the moon is visible
- 6. the thing that remains the same in an investigation
- 7. a spin to the right, as all analog clocks spin
- 10. directions north-east, north-west, south-east, and south-west
- 12. the thing that changes in an experiment
- 13. growing in size
- 15. the term used when less than half of the moon is visible
- 19. the term used when none of the surface of the moon is visible
