Across
- 3. largest ocean on earth
- 8. very center of the earth
- 9. small bodies of water that feed into rivers
- 12. gradual change over a long period
- 13. largest lake in South America
- 14. water partially enclosed by land
- 15. there are 4 of these on earth
- 16. relatively flat lands
- 19. one earth or one continent theory
- 20. longest river in the world
- 23. rock broken down into smaller parts naturally
- 25. covering air around the earth
Down
- 1. make up ranges
- 2. outer surface of the earth
- 4. beginning of earth's history
- 5. rock broken down and moved about naturally
- 6. body of water totally enclosed by land
- 7. water on the earth
- 8. there are 7 of these on earth
- 10. a violent upheaval of earth
- 11. amount of water rivers empty into ocean
- 17. smallest ocean on earth
- 18. sometimes called the 7 seas
- 21. solid part of the earth
- 22. hot plastic type material that becomes rock
- 24. flat land with one slope being very steep