Week #4 Science Methods 2




 

The big question addressed in lab, and a description of what you did: How do you design a safe and durable playground surface?

    In the lab, we made a model of a playground surface. We put hay on the bottom, rubber mulch in the middle, and topped it off with hay. We then dropped an egg from 1 meter into the bowl. The egg bounced out of the bowl but did not crack! We learned that it was too bouncy of a surface and if we were going to do it again we would take out some of the rubber mulch. We also wouldn't fill the material to the top of the bowl so that there is some buffer room if it is bouncy and hopefully the egg would be stopped by the small buffer zone. We tried again from 2 meters, Where there was less rubber mulch, and added a little sand. We also left room for the buffer to see if the egg wouldn't bounce out. However, the egg still bounced out but he did survive! 

A description of what you learned in Thursday's lecture.

    It was test day so we did not have a lecture. 

Answer questions about the weekly textbook reading:

    What did you learn?

    Something I learned from the lab this week that I related to our reading from last week was that a formative assessment that is used in science or any subject is walking around the classroom when students are discussing. 

    What was most helpful?

    The most helpful thing from the reading that was applied in the lab was Newton's 3rd law. This wasn't explicitly stated in last week's textbook reading but it was the week before and we did not talk about it, test it, and see it specifically until this week. 

    What do you need more information on?

    Something I would like more information on is Etherm. We learned a little bit about it but I would like to go into more detail to know that I understand it correctly. 

    What questions/concerns/comments do you have?

    Something I want to make note of is that no matter what the force of two things hitting each other is the SAME. 

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