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Phy 122
Your 'collaborative labs' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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You have completed the first series of collaborative labs.
In that series you developed some important skills with teamwork, collaboration and communication. By now you have also developed additional lab techniques and insights, as well as an expanded understanding of physics and the standard formulations of motion, energy, momentum, forces and other topics.
You now have a good idea of the function of each member of the team, the designer, the experimenter, the analyzer and the interpreter.
You are also familiar with the items in your lab materials package.
The second series of activities will be spread out over the remainder of the semester. The investigations in this series will be more substantial and extensive than those of the first series, though we will limit the scope to keep the workload reasonable.
Please give a brief statement of three proposals for the second series of investigations, relevant to the topics of the labs you have performed and/or the material covered so far in the course. It should be possible to conduct your proposed investigations using the materials in the lab package, and/or common items you can expect your team members to have.
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Discuss your first idea. How do you think it might be tested? What sort of items do you think might be required? How do you think your idea might be tested?
A slingshot could be made using some rubber bands, but together with some sort of clip. (A paper clip would likely work best.) The rubber bands could be pinned down to foam board. A small ball could also be used here. The force and tension of the rubber bands could be calculated. Also could keep in mind some external factors of friction and other things. Could estimate how far the ball would go.
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Discuss your second idea. How do you think it might be tested? What sort of items do you think might be required? How do you think your idea might be tested?
For this one you could design your own pendulum using a CD/DVD and a piece of string. You could use different lengths of string to demonstrate how the length of the string would effect the total number of oscillations.
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Discuss your third idea. How do you think it might be tested? What sort of items do you think might be required? How do you think your idea might be tested?
You could drop different size objects from a certain height. Calculate their mass and height of fall, force of gravity, force, and the amount of time it would take them to fall.
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Your instructor is trying to gauge the typical time spent by students on these activities. Please answer the following question as accurately as you can, understanding that your answer will be used only for the stated purpose and has no bearing on your grades:
Approximately how long did it take you to complete this activity?
30 minutes
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Very good.
I'm going to wait until after Friday's drop date to organize these collaborative labs.
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