Across
- 3. tectonic plates that lie under surface land mass
- 6. study of many different kinds of earth science
- 8. long crack where earthquakes usually occur
- 9. German meteorologist
- 12. when two plates move away from each other
- 13. thicker line marking every 5th contour line of a map
- 16. plates that are at the bottom of the ocean seafloor spreading across the mid Atlantic
- 19. difference between two contour lines
- 20. when two plates slide against each other
- 21. Super continent
Down
- 1. when two tectonic plates move toward each other
- 2. when a denser plate is pushed down
- 4. study of earths surface
- 5. pictures taken of earth from space
- 7. distance above sea level
- 10. fragments of weathered rocks are moved and dropped into a new place
- 11. process to remove and transport sediments
- 14. line on a map that connects points ith the same elevation
- 15. map showing the elevation of earth using lines
- 17. process that breaks down rocks
- 18. natural physical features of earths surface