Group presentations

Group 1 topic CH. 10 Circular motion, RPM's, Tangential Speed

Group 2 topic Center of Mass, Center of Gravity, Stability Lifting Knees into Circular Motion Swinging legs to run and using them as pendulums is inefficient because this method causes muscles to tense up which leads to injury.  Instead of treating legs as pendulums, runners can lift their knees in a circular motion to run.  Lifting the knees causes the runner to naturally land mid-foot beneath the center of gravity.  This method is efficient for running because it allows the runner’s body to keep up with the controlled “fall” due to leaning.  Lifting the knees also reduces the hard impact felt by knees because the upward raise of one knee counterbalances the falling motion of the other knee.  In this way, the quad muscles in the thighs are doing most of the work to run, allowing the calf muscles and ankle joints to relax.

Group topic Rotational Inertia- Ch. 12

Group 4 topic Angular Momentum-CH. 12

Group 5 topic Torque-CH.11

Group 6 Work, Power, Machines>CH.10

CATEGORY 8                                    7 6                                    5 4                                    3 2                                   1 Preparedness Students are completely prepared and has obviously rehearsed. Students seems pretty prepared but might have needed a couple more rehearsals. The students are somewhat prepared, but it is clear that rehearsal was lacking. Students do not seem at all prepared to present. Content Shows a full understanding of the topic. Shows a good understanding of the topic. Shows a good understanding of parts of the topic. Does not seem to understand the topic very well. Collaboration with Peers Almost always listens to, shares with, and supports the efforts of others in the group. Tries to keep people working well together. Usually listens to, shares with, and supports the efforts of others in the group. Does not cause \"waves\" in the group. Often listens to, shares with, and supports the efforts of others in the group but sometimes is not a good team member. Rarely listens to, shares with, and supports the efforts of others in the group. Often is not a good team member. Time-Limit Presentation is 5-10 minutes long and uses time to effectively engage the class. Presentation is 5-10 minutes long and uses time somewhat effectively Presentation is over or under by time by 1-3 minutes Presentation is way over or way under the time allowed. Effectiveness Presentation was highly effective a audience left with a clear understanding of the topic. Presentation was effective a audience left with a somewhat clear understanding of the topic. Presentation was not very effective Presentation needs a lot of work and was not taken seriously

Today Discuss the topic and come up with ideas on how you will present your information(5 minutes). Individually read and research your topic (15 minutes) Reconvene to share individual work and Ideas for project. (5 minutes)

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