Across
- 1. The invisible line that earth spins around
- 6. the appearance of the moon becoming larger
- 7. moon changes this every day because of its orbit and reflection
- 12. flat dark planes lower in elevation on the moon
- 14. what causes objects to move on a slope
- 15. the lowest point of a tide
- 16. an event where the sun crosses the celestial equator
- 17. the motion around another object
- 20. occurring when the moon comes in a direct line between the sun and earth
- 22. the curved sickle shape of the moon
- 24. A circle that has been squashed
- 26. the action of light bouncing off of a surface
- 27. the tides with maximum range usually occurring around a new or full moon
Down
- 2. the bottom half of earth
- 3. occurs when the earth comes in a direct line between the sun and moon
- 4. the shadow cast by earth or moon over an area where an eclipse is happening
- 5. the dark central part of a sunspot
- 8. the highest point of a tide
- 9. the bowl shaped dent in an astronomical body usually caused by a collision of another astronomical body
- 10. for the moon to be in a phase where it is larger than a semicircle but smaller than a circle
- 11. the appearance of the moon becoming smaller
- 13. planets do this around a larger mass of gravity
- 18. the top half of earth
- 19. the spinning of a planet
- 21. the moderate waves occurring when the sun and moon are at 90 degree angles
- 23. changes every 3 months and there are 4 of on earth
- 25. an event where earth is most north or south