Week 8: Geology That Kids See - Science Methods II (Addy Junge)

 Addy Junge

Week 8: Geology That Kids See

1. What did you do in lab today?​

  • During lab, we started off by discussing the Sweater article with our peers in our table groups. After that, we jumped right into our sand investigation, where we used a microscope to observe different types of sand from all around the world. We would jot down the specific characteristics that we saw in each of the sands, such as size, shape, and color. After our sand investigation, we did another hands-on activity, but this time with fossils. This was a really entertaining activity because all the fossils we found were straight from Iowa. Once we determined a fossil, we started to categorize it based on a sheet we received at the beginning of our lab. Towards the end of class, we got the opportunity to go to the MacBride museum and observe different types of rocks, Earth's timeline, how Iowa was covered in water, and more!


2. What was the big question?​
  • I would say the big question during our lab would be "what are the different characteristics of rocks and fossils?" or "How can the characteristics of rocks and fossils determine where they are from?"
3. What did you learn in Thursday’s discussion?​
  • Here are my notes from our lecture:
4. Read the online textbook, chapter 1:
  1. What did you learn?​
    • I know we talked about it in lecture, but I learned more about the Law of Superposition and the Law of Original Horizontality. Along with that, I read a little bit more about fossils and how they can also tell a story, using the Law of Superposition and the Law of Original Horizontality. Something else I learned in the textbook was where Iowa was located during the Devonian Period. This information helped me recognize (and relate back to what we saw at the museum) that just because Iowa is in the Midwest currently, we were covered by water at one point. 
  2. What was most helpful?​
    • When looking at the Law of Superposition and Original Horizontality image, it was nice to see that in picture form as well as the descriptions of the layers below. More specifically, it was helpful to read that layer D was an intrution of magma. This helped me understand and determine the age of layer D, as it would be younger than layers A, B, and C. 
  3. What do you need more information on?​
    • I think I just need a little more practice on the Law of Superposition, as it can get a little complicated. 
5. What questions, concerns, and/or comments do you have?
  • I took Introduction to Earth Science a couple years ago, so it is nice to get a refresher of this information. I can't wait to see how we can explain this to students!

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