Across
- 4. low-lying stretches of flat land
- 5. the center of the earth that is hot iron mized with other metals and rock
- 7. narrow body of water between two pieces of land
- 9. violent and sudden movement of the earth's crust
- 12. tools, pottery, paintains, and weapons left by people
- 15. imaginary line that runs through the center of the earth
- 17. group of satellites that travel around the Earth that can tell exact locations of things
- 18. narrow piece of land that connects two larger pieces of land
- 19. individual features of the Earth like Mountains and Valleys
- 20. software that helps geographers gather differnt kinds of information about a place
Down
- 1. planets travel along its own path around the sun
- 2. body of land smaller than a continent that is completely surrounded by water
- 3. study of the Earth in all its variety.
- 4. piece of land with water on three sides
- 6. process of breaking surface rock into boulders, gravel, sand, and soil
- 8. today, the earth is made up of 7 of these
- 10. natural surroundings
- 11. undersea earthquakes can cause huge waves
- 13. this is when the earth makes a complete orbit around the sun
- 14. uppermost layer of the earth
- 16. remains of things that were once living. This helps determines how ancient people lived.