Plate Tectonics

Who is Alfred Wegener? What's he known for? Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. known for his achievements in meteorology and as a pioneer.

3.) Define convergent- Coming closer together, especially in characteristics or ideas.

Divergent- Tending to be different or develop in different directions.

transform boundaries- The final type of boundaries is one where the two plates slide against each other in a sideways motion.

5.) What tectonic plate is just off the coast of Washington? Juan De Fuca plate.

6.) what role does Juan De Fuca plate have on the formation of the cascades? The Juan De Fuca plate is a tectonic plate generated from the Juan De Fuca ridge and is a sub ducting under the northerly portion of the western side of the North American plate at the cascade sub ducting zone.

7.) Describe convection current. What role they played in plate tectonics? Convection current are caused by the expansion of a liquid, solid, or gas as its temperature increases. Convection current in the Earth is what causes flows in the plastic layer of Earth.

8.) Define rift zone- Rift zone is a feature of some volcanoes, especially shield volcanoes.

subducting zone- is the biggest smash-up on Earth's marking.

10.) How was Channeled scablands formed? The channeled scablands are a barren, relatively soil free.