Across
- 5. a time when there is equal sunlight on both hemispheres
- 6. imaginary line Earth rotates on
- 9. runs north to south, Prime Meridian is also considered one
- 11. half of the Earth
- 12. Earth is a...
- 13. another name for latitude lines
- 15. a time when one hemisphere has max. sunlight and the other has min.
- 18. pull exerted on an object because of its mass
- 20. shape of Earth's orbit
Down
- 1. circular movement of an object in space spinning around a center/point
- 2. another name for longitude lines
- 3. What season is the Earth closest to the sun?
- 4. Earth has North and South...
- 7. patterns of temperature changes and other weather trends over the course of a year
- 8. direction Earth revolves around the Sun
- 10. _____ Halley (is one)
- 14. runs west to east, Equator is also considered one
- 16. path of an object in space around another object
- 17. What does Earth always face toward?
- 19. Who discovered gravity? (one word)