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course phy 121
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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To help develop our ability to work with others, which would come up in real lab settings, this semester the instructor is requiring us to complete two labs that require four people.. The four people will hold a position. The designer will create and inform the others of the activity. The experimenter will conduct the acitivty. The analyzer will sort the data and the interpreter will determine what it means.
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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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Does surface area have more affect on how fast a object falls or does its mass.
Does salinity have any affect on how fast a wave dissapates.
Does a bendy straw act differently than one without the ability when set into motion
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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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First we could test things with the same surface area and different masses to see if there is a difference. Then we could test things with different surface area and the same masses to see if there is a differece. We could also measure it against a constant, same mass and same surface area, to see if there is a significant evidence to support one or the other.
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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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We can set up glasses full of the same volume of water. The first one has no salt in it, and the rest have steadily increase their salinity. Then create a wave by either dropping an object in the water or create energy by some other means. We then observe if there is a difference in the amount of time it takes to dissapate.
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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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We could get an array of different types of straws both bendy and not and set them in motion within a certain area and see how the bendy straws or regular straws move and how long they move.
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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?
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20 minutes"
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Thanks. I'll get back to you soon with groups and projects.
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