All materials are at your lab station - Use 2 yard sticks to create an inclined plane and 2 more yard sticks to create a level plane.
Use a computer stopwatch as a timer.
The purpose of this activity is to determine the effect of gravity on the acceleration of a marble rolling down the incline.
There are six (6) legs on this incline from which to gather data, each measuring 12 inches in length.
Collect ten (10) trials for each leg and record your data. Once you have completed the data collection, you are no longer working in a group - the remainder of your work must be completed individually.
You are to complete the following sections:
Hypothesis - which area of the setup do you predict to have the fastest and slowest times?
Data Analysis - Create graphs of your data to illustrate your findings. Each graph should also include a written explanation.
Possible Sources of Error - as many as encountered.
Concluding Statement - Summarize your findings. Accept/reject hypothesis and explain why. How would/could you retry the experiment to remove possible sources of error?
Due Thursday, 9/24/09.
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since 9/18/09
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