Week 3 Elementary Science

 

  1. The big question addressed in lab, and a description of what you did.
          The question my group decided on was how weight impacts your speed. First, we figured out all the logistics like the slop, height, and length of the slide. Then we weighed our canister and the weights. After this, we place 4 weights in one canister as our tester 1 and 6 weights in the other canister as our tester 2. Then we raced them. We had a timer timing when it left my hand till it hit the bottom. We then decided to do more runs because we didn't understand the data. In the end, we figured out that statistically weight does not impact how fast you you go down a slide. 



  1. A description of what you learned in Thursday's lecture?
            In Thursday's lecture, we discuss friction and the idea of friction. We also discussed the forces on an object and where the arrows would be. We talked about the direction of the arrows from a person on the slide to a magnetic eraser on the whiteboard, it was interesting to discuss with everyone what they thought. We all were saying how we thought there needed to be a movement for there to be friction on an object. We then found out that there was friction because it was holding the whiteboard on its side. 
  1. Answer questions about the weekly textbook reading:
    1. What did you learn?
      1. One thing I learned, or re-learned, was the idea of force and the general definition. It was interesting to re-learn this idea because I could tell someone this object has a force moving it, but could not explain what force means. 
    1. What was most helpful?
      1. The idea about the forces pushing on the object and how to draw the arrows. It was helpful to know that every arrow has a pair so if there is one arrow, then there is another force across from that force. 
    2. What do you need more information on?
      1. I want to continue to discuss the idea of friction and how an object still has friction because I always thought that it needed to be in motion. Stil friction would be the kinetic of static friction. 
    3. What questions/concerns/comments do you have?
      1. I really liked the example of the magic trick with the tablecloth and plates where the plates don't move when you pull the tablecloth. This was a really good example of Inertia because I never understood how this magic trick worked.

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