Plate Tectonics

3. Tectonic _______:, large rigid slabs of Earth's crust
4. A convergent boundary with atleast one oceanic plate will lead to this
7. The layer of the Earth where convection currents happen
8. Two plates sliding towards eachother
11. The type of boundary found in Southern California at the San Andreas Fault
14. Faster moving of the two types of energy waves from Earthquakes
15. Consistency of the outer core
16. The spot on the surface of Earth directly above the focus
17. Type of crust that is younger, thinner, and more dense
18. _____________ Spreading, what begins at an oceanic-oceanic divergent boundary
20. ________ Valley, happens at a Continental-Continental Divergent boundary
22. Two plates moving away from eachother
23. Type of volcano that does not occur at a plate boundary
24. Two plates moving towards eachother
25. What is created at a Continental-Continental convergent boundary

1. A convergent boundary with atleast one oceanic plate will lead to this
2. Alfred _______, the guy who came up with the Continental Drift Theory
5. Type of crust that is older, thicker, and less dense
6. Layer of the Earth that is split into two sections, the inner ______ and the outer ______
9. Slower moving of the two types of energy waves from earthquakes
10. Glacial ____________, one piece of evidence used for the Continental Drift Theory
12. What is created at a Oceanic-Oceanic Divergent Boundary
13. Technique used to pinpoint the epicenter of an earthquake, using seismometer readings from 3+ locations
14. Consistency of the upper mantle, where convection currents happen
19. These occur at most plate boundaries, especially Faults
21. Location of first motion in an Earthquake