Space Out!

2. an imaginary line through a spinning object
4. 1000 meters
6. a state of matter without definite shape or volume
7. National Aeronautics and Space Administration
8. the layer of gasses that surrounds the earth
9. the season from June 21 through September 23; northern hemisphere is tilted towards the sun
10. a complete or partial hiding of the sun caused by the moon's passing between the sun and the earth
13. one full spin of an object around an axis
16. when 1/2 of the lit portion of the moon is visible on the right
18. one of the four innermost planets that is made of rock (Mercury, Venus, Earth and Mars are terrestrial planets)
23. the season from December 21 through March 21; northern hemisphere is tilted away from the sun
24. the movement of one object around another object

1. when all of the lit portion of the moon is visible
3. the outer face of anything
5. a straight line passing through the center of a circle and meeting at each end of the circle
6. a force that pulls two objects together
9. the season from March 21 through June 21
11. when 1/2 of the lit portion of the moon is visible on the left
12. the amount of material that an object has in it
14. a gas that is given off by plants and used by animals
15. when none of the lit portion of the moon is visible
16. the season from September 23 through December 21
17. a large body of matter revolving around the sun
19. bouncing of a wave or ray off a surface, changing its direction
20. anytime of year marked by a particular change in weather
21. the particular state of a person or thing
22. the rise and fall of the water level on earth