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week 11 lab/lecture

                                    Week11 Lab/Lecture

  • Description of what we did in the lab?
    • In the lab, we had 11 samples of sand and we looked at them under a microscope. We looked at each one and then described it to the best of our abilities. The photo on the right is my favorite one we observed. The rocks are only made naturally and you can only find them in certain parts of the world too. Each little pebble looks like an egg which I thought was cool and unique compared to the other sands we viewed. 
  • The big question addressed in the lab? 
    • Where did the sands come from?
    • How did these sands end up looking that way?
    • Weathering and erosion? 
  • A description of what you learned in Thursday's lecture.
    • We learned what canned beverages floated or sank. 
    • Pepsi loses its volume after a decade in a can. 
    • Geodes outside layer is made up of limestone. This is considered sedimentary because of all the sediments crushed together. 
    • Space gravity= W(air)/W(air) - W (water) 
    • We broke open a geode as well and did some math to find out if it was hollow or not. 
    • There is a huge crystal cave in Mexico that is the largest geode to date.
  • Answer questions about the weekly textbook reading:
  • What did you learn?
    • Didn't have one, we had a video instead of textbook readings. 
    • I learned that Leonardo was so into climate change. 
  • What was most helpful?
    • The video itself went into a lot of depth of what is happening in the world. 
  • What do you need more information on?
    • EVERYTHING
  • What questions/concerns/comments do you have?
    • Why arent we taught this stuff? 

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