Week 10 Blog Post

Olivia Langosch

This week in lab, we talked about the different types of rocks; sedimentary, igneous, and metamorphic. In the picture below, we represented these types of rocks by using starbursts. On the left was the igneous rock, in the middle was the sedimentary rock, and on the right was the metamorphic rock. 

The big questions were what are the layers of the Earth? How do plates move? and What evidence do we have? 

In lecture, I learned more about the plate tectonics. Continental plates are thicker and oceanic or more dense, being pushed into the core more. Continental hits continental, creates mountains. Continental hits oceanic, it creates trenches. They can also slide past each other, which create earthquakes. I also learned about the rock cycles, all rocks originated from magma, has to cool, which creates igneous, which is proven to be the first rock. 

From the pressbook, I learned more about the layers of the Earth. The crust, the mantle, the outer core, and the inner core. I learned that the core is super hot and it is liquid in the outer core. The inner core is a solid because of all of the pressure that is being put on the center of the Earth. 

The most helpful was the section talking about the Earth's layers because it gave a clear description about each of the layers and what they're made of, etc. 
I do not have any more questions at the time, maybe just practicing questions that have to do with plate tectonics, just so I can get some more practice to know that I for sure understand it.