Plate Tectonics

3. pieces of Earth crust tha fit together into puzzle pieces
6. Name of ocean that is surrounded by the Ring of Fire
7. Rigid layer of Earth crust where all the plates are located
8. In what country can you walk through a crack in the earth
11. Breaks in earth's crust that are a result of plates
14. Name of the original land mass before all the continents broke up
16. Name of planet that has 7 continents
17. Name of fault located on the west coast of the United States of America - no spaces
18. The theory of Earth plates and plate movements
19. Name of type of boundary that is between the Indo-Australian and Antarctic plate

1. Plates meet at what type of boundary
2. What do scientists use to measure plate motions
4. Name of plate that is adjacent to the North American plate and the San Andres Fault - no spaces
5. Name of mountains that formed when the Indo-Australian Plate hit the Eurasian plate
9. Plates move apart from each other at
10. A deep valley where pieces of crust diverge on land - no spaces
12. Plates slip past each other at?
13. What type of boundary did the Andes mountain form at?
15. Name of plates that includes all of Asia and Europe