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Phy 121
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.
** Collaborative Labs_labelMessages.txt **
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You will participate during the semester in two series of collaborative lab activities.
The first is designed to be relatively painless, and to begin to develop a degree of teamwork and collaboration.
These activities are designed for teams of four individuals, each with a specific function:
• The designer will come up with the idea for the activity and will specify for other team members how the activity is to be conducted.
• The experimenter will follow the designer's instructions to set up the experiment and collect data.
• The analyzer will analyze the data.
• The interpreter will describe what the results mean.
For each series of activities, you will participate in four different investigations, one as designer, another as experimenter, another as analyzer and another as interpreter.
As each investigation progresses, you will follow the work of your fellow team members.
Please summarize the above, as best you can, in your own words:
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For each collaborative experiment, each individual will be in a group of 4, with each person having a specific task which they will do. One will be the designer of the activity, one is the experimenter, one is the analyzer and the last is the interepreter.
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The first series of activities will be spread out over the first half of the semester, the second series over the second half of the semester.
The first series will be based on systems you have seen in the Key Systems videos.
You will begin by describing at least three ideas for investigations related to the Key Systems videos. Valid ideas will ultimately be developed proposals, each of which will describe a question that could be investigated and tested using simple materials such as those seen in the videos. You will eventually develop three proposals, one of which will be chosen for an investigation. You will be the designer for that investigation.
At this point we're just beginning to explore ideas for the first series of investigations. Your instructor will work with you to further develop your ideas, and perhaps to explore other related possibilities.
Right now you don't have a wide variety of experimental techniques available to you, so this first series of investigations will be relatively simple.
List below three ideas for things you think might be fairly easy to test, based on the systems you have seen so far.
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Frequency decreases with more length in the pendulum, the farther the distance, the longer the time it will take for an object to pass through the distance, and the steeper the incline, the quicker the object can pass through the given distance.
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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?
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The pendulum frequency vs. length could be tested by using pendulums of different lengths and timing each of them for a given, unchanging amount of time to see how many full cycles they complete. You would need something to use as the pendulum, a ruler to measure the lengths of the different pendulums, something to weigh the pendulum down so it can swing freely and a timer.
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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?
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The distance vs. time required could be tested by having different distances and using the same object to roll through each one. You could use a book and a marble to test this, also you would need a timer. You could start each object at a different distance than the other ones, timing how long it takes for each distance.
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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?
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The slope vs. time could be test by using the same objects as before, but instead using a consistent distance for the object to roll through. With each roll, you would change the incline, making it more steep and evaluating the time each object rolled through the same spot at different inclines.
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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?
10 minutes
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Thanks. I'll be getting back to you on these very soon.
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