Across
- 1. part of the universe and home to our solar system
- 4. the Earth completes one of these every 24 hours
- 6. when the moon appears to be growing in size
- 7. when day and night are equal
- 11. when more than half of the moon is visible
- 12. the imaginary line the Earth rotates on
- 13. the Earth makes one of these around the sun once every 365 1/4 days
- 14. of Earth causes the change in the seasons
- 15. when the sun, Earth and moon are lined up in this order
Down
- 2. when the moon appears to be shrinking in size
- 3. when the sun, moon and Earth are lined up in this order
- 5. shortest day in the northern hemisphere
- 8. when less than half of the moon is visible
- 9. longest day in the northern hemisphere
- 10. natural force of attraction between any two massive bodies