Across
- 3. 1,000 years
- 5. 100 years
- 9. planets,moons, asteroids, sun
- 11. Exact spot on Earth (2 words)
- 15. Area between tropic of cancer and capricorn
- 16. System uses radio signals for location
- 17. 10 years
- 18. Study of the Earth and people
- 19. Describes things around it
- 20. Complete circle round sun
Down
- 1. Most hours of sunlight (2 words)
- 2. Day and nights are identical, or equal
- 4. A year with 365 days,(2 words)
- 6. Natural surroundings
- 7. Invisible line in center of Earth
- 8. Specific path a planet follows
- 10. To spin on an axis
- 12. A layer of oxygen and other gasses
- 13. Gathers, stores, and analyzes geographic info
- 14. Fewest hours of sunlight(2 words)