Rock Cycle | 9/10/18-9/14/18

Rockcycle by Woudloper/Woodwalker

Summary:

       The rock cycle is the process in which rocks are broken down and transformed into other rocks. These rocks are igneous rocks, sedimentary rocks, and metamorphic rocks. Igneous rocks form when molten material from beneath the Earth's surface cools and hardens.  Sedimentary rock is made of sediments that have been deposited and then pressed together to form solid rock. Lastly, metamorphic rock forms when an existing rock is changed by heat, pressure, or chemical reactions.  One interesting fact about the rock cycle is that one of the stages of the rock cycle, magma is around 1000 degrees celsius. Magma is the result of when rock melts deep underground. Also, the type of rock that is formed from underground crystallization of magma is an intrusive igneous rock. At the same time, extrusive igneous rock forms when magma crystallizes above ground. Lastly, sedimentary rocks are formed form when sediment goes through lithification and hardens.

S&EP 2-Developing and Using Models: 

       This week in science we used models of the rock cycle to help us to get a better understanding of how the cycle works and the different parts of the rock cycle. This model really helped me to visualize and see how the rock cycle works. Not only did the models show the rock cycle with pictures, but they also used captions as well to describe what was occuring. Another cool thing about the models that we used were that we got to choose what happened next in the cycle and could see the path that we went through. This made understanding the different paths the rock cycle could take a lot easier. Above all, this model truly allowed me to comprehend how the rock cycle works and the different components of the cycle as well.

XCC-Systems and System Models:

       The system I identified this week in science was the system of the rock cycle. The main stages of the rock cycle are magma, igneous rock, metamorphic rock, soil, sediments, and sedimentary rock. The things that happen in between these stages can be crystallization, increase in temperature and pressure, exposure and weathering, erosion and deposition, and lithification and compaction. The parts of the system work together due to how without one of the stages not being there, other stages could may not occur. For example, without sediment or lithification and compaction, sedimentary rocks could not exist. This is due to the fact that sedimentary rocks are formed when sediment is compacted and goes through lithification. So without one of the two of those things (sediment and also lithification and compaction) sedimentary rocks would not be able to form. So without one stage in the rock cycle, many other stages would be affected as they may not even exist with that stage not being there. The advantages of thinking of the rock cycle as a system are that it would help you to predict future events and help you to understand that the Earth is going through an ongoing cycle.


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