Across
- 3. the widest part of the Earth
- 7. the day with equal amounts of day and night
- 8. the name of the Earth's only natural satellite
- 10. the largest, most massive object in the Solar System
- 14. the Arctic and Antarctic ______ are the parts of the Earth that experience total day in summer, and total night in winter
- 16. the tilt of the Earth's axis is ______.five degrees
- 18. the changing shape of the Moon as seen from the Earth caused by the moving shadow of the Moon as it orbits the Earth
- 19. the imaginary line that runs through a planet, and the point which the planet rotates around
Down
- 1. the name given to one orbit of the Moon around the Earth
- 2. the name given to one orbit of the Earth around the Sun
- 4. one rotation of the Earth around its axis
- 5. the name of the section of the Earth above and below the equator
- 6. the longest/shortest days of the year
- 9. one complete revolution of the Earth around the Sun
- 11. the moon orbits the _____
- 12. the shadow of a planet or satellite as it passes in front of the Sun
- 13. the points of the Earth that the axis emerges at on the surface
- 15. the Sun is a _______
- 17. the name give to one rotation of the Earth around its axis