Across
- 2. what keeps us grounded
- 3. the imaginary line that runs thought earth from the north to south pole
- 4. the curved path around the Earth
- 9. this causes the seasons and is approximately 23.5 degrees
- 12. the phase of the moon when it first appears
- 13. the Earths path around the sun
- 15. when the Moon is directly behind the Earth
- 17. half of its surface is shown
- 18. having the illuminated part greater than a semicircle and less than a circle.
Down
- 1. the curved sickle shape of the waxing or waning moon
- 5. an eclipse in which the sun is obscured by the moon.
- 6. is in the process of increasing how much of it is lit
- 7. there is 12 a year
- 8. makes it light when it is dark
- 10. 4 stages of the earth
- 11. when its whole surface is shown
- 14. shines bright
- 16. has a progressively smaller part of its visible surface illuminated so that it appears to decrease in size
