Week 7: Rock Cycle and the Law of Superposition

  1. What did you do in lab today?

    1. Today in lab, we first talked about assessment and how it can be beneficial in knowing where to start a lesson. A formative assessment is a great way to start to know what information the students already know. We then moved on to figuring out a curve for the test we took last Thursday. After each group had made a curve, we moved on to an experiment. In the experiment, we were tasked with making different kinds of rocks using starburst and heat. We melted starbursts together, and we also just rolled two different color starbursts in our hands to make a metamorphic rock. This was a fun experiment and helped us decipher and notice the differences in the kinds of rocks. 

  2. What was the big question?

    1. How can you tell which geode is the most hollow? 

  3. What did you learn in Thursday’s discussion?

    1. We looked at the rock cycle 

      1. Metamorphic rock

        1. Needs heat (not enough to melt) and pressure 

        2. Big change 

      2. Sedimentary rock

        1. Sand 

        2. Sediments 

      3. Igneous rock

        1. Born from fire 

    2. Magna is liquid rock 

  4. Read chapter 7 of the online textbook.

    1. What did you learn?

      1. I learned the difference between intrusive and extrusive igneous rocks. An intrusive igneous rock is formed when magma cools underground, cooling more slowly. It is inside Earth, meaning it is well protected and forms larger crystals. An extrusive igneous rock is formed when magma cools in water or on the surface of Earth, like after a volcano erupts, cooling more quickly and forming smaller crystals. 

    2. What was the most helpful?

      1. I found the part where it talked about how each kind of rock can turn into a different kind of rock. It was cool to read about the process by which this happens. I also found the part about geodes interesting because we did not talk about them in lab. 

    3. What do you need more information on?

      1. I do not need any more information about rocks and the rock cycle. 

  5. What questions, concerns, and/or comments do you have? 

    1. I do not have any questions, concerns, and/or comments after lab and lecture.


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