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General Physics Lab: Graphing -- A density study
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Equipment and setup
- There is no setup for this lab. We will use
volume measurements of various aluminum objects
(Figure 1)
collected during the previous lab period.
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[Click on images to enlarge.]
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TA Notes
- Perform the experiment ahead of time!
- You may wish to quiz them on the basic Excel functions
(addition, multiplication, finding an average, etc.)
at the beginning of the lab period.
- If assigned from the previous week, take-up the pre-lab
exercise. (We have found that there is not enough time
do the entire
lab, i.e., both the pre-lab exercise and the density
graphing, in one lab period.)
- Return the graded lab report from the
first experiment before the second experiment begins! This
is because students must have their data from experiment #1
returned to them before experiment #2 can be done.
- Discuss why scientists plot data. What are the reasons
for taking so much data and then displaying it in a graph?
- Make sure your students understand exactly what
you are looking for with each graph. (Titles, labels,
units, curve fitting, equations displayed, etc.)
Best to do it now, rather than later.
- Students may wish to review the
on-line Excel
tutorial (specifically, sections 1,2,3,7 & 10).
- TAs may wish to have each lab table turn in
a single graph along with each students' data table and
questions, rather than having each student print
his or her own copy of the graph. Of course, the downside
to this is that each student will not have their own copy
of the graph and may not see the TA's notes concerning the
graph.
Data, Results and Graphs
Enter TA password to view sample data and results of this
experiment:
Answers to Questions
As of now, there are no on-line answers to the questions
for this experiment.
Lab Manual
The Lab Manual for this experiment does not exist on-line.
CUPOL Experiments
As of now, there are no
CUPOL experiments
associated with this experiment.
If you have a question or comment, send an e-mail to Lab Coordiantor:
Jerry Hester
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