Across
- 2. the study of Earth and its neighboring planets
- 5. a well tested and widely accepted explanation
- 7. shows elevation of surrounding land
- 8. lines of measurement on Earth that go East and West
- 11. an educated explanation based on observations
- 15. center of the Earth
- 16. includes Earth's layers, rocks and minerals
- 17. the study of the ocean systems
- 18. outermost layer, Earth's surface
- 19. encompasses all water on Earth
Down
- 1. lines of measurement on Earth that go North and South
- 3. the study of rocks and minerals
- 4. gaseous envelope around Earth
- 6. second layer of Earth's interior
- 9. the study of weather patterns
- 10. encompasses all living organisms on Earth
- 12. map that shows elevation levels
- 13. the study of planets, stars, and celestial bodies
- 14. shows difference in elevations