Plate Tectonics

3. This is the type of plate boundary that results in earthquakes like those experienced along the San Andreas fault in southern California.
6. This device is used to measure small changes in magnetic fields.
9. This is the name for the landmass comprising all modern continents.
11. This is where an oceanic plate subducts under a continental one.
12. Another word for Gravity Pull.
13. This man created the plate tectonic theory.
15. This is the layer that the crust is floating upon.
16. This is the term for the transfer of thermal energy by heated matter.
18. This is important because its role is both the movement of continents and the distribution and evolution of species.
20. This is a type of tectonic plate on earth.

1. This plate boundary is when two tectonic plates move apart.
2. This plays a role in preventing a runaway greenhouse effect.
4. This is the movement of the Earth’s tectonic plates caused by.
5. This does NOT act as evidence for the theory of plate tectonics.
7. This results from tectonic plates quickly sliding against each other at sites where strain has built up.
8. In the event of two continental plates moving part, this is what it's called.
10. The name for the process of one plate going under another.
14. This type of sound wave is used to observe the seafloor.
17. This is the rate that the earth's plates move.
19. This is the deepest trench in the world, and is found in the ocean.