Jacque+Byler+9-25-08

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TPJ 9/25/08 Daily Question: 1) Question- Your spine is made of bones connected by disks made of an elastic-like tissue. What happens when you jump upwards and land back on your feet? Answer- Because of inertia, landing on your feet causes your spine to want to keep moving downward even though the rest of your body wants to keep moving. This then causes the bones in your back to sort of “smush” together. 2) Question- Why is it that when you wake up in the morning, you’re taller then the night before? Answer- This is because your body has had time to rest after an entire day of your bones being pulled downward by gravity. The tissue connecting your bones has time to rest and gets to stretch back out to its full length. In class: The first thing we did after the daily question was complete our “Stretchin’ for and Answer Activity” lab. Once we finished, we came back together as a class and discussed out answers. (Answers to question number 1 was choice iii- increase during run, and the answer to question number 2 was choice ii- be constant for the whole time.)

The next thing we did was taking a look at the Unbalanced Forces work sheet. We read through it on our own then discussed it as a class. The main point on this work sheet is “If an unbalanced force (ΣF) is applied to an object, the object will accelerate.” This is explained in the third paragraph on the work sheet. Assignments: No Homework But you should always Study! (Note: The graph-a-can lab was returned today. Ask Mr. Manning for yours!)