Honors Honors Program in the School of Biological Sciences The Honors Program in the School of Biological Sciences provides an opportunity for outstanding majors in the School to pursue advanced work in independent research via participation in the Excellence in Biological Sciences Research Program and earn Honors in Biological Sciences upon graduation. Additionally, students must have a minimum overall 3. Graduation with Honors Of the graduating seniors, no more than 16 percent will receive Latin honors: The selection for these awards is based on spring quarter rank-ordered grade point averages.
Tsokos, Evaluation All of the points of the graph lie very close to the line of best fit.
Thus the data is fairly precise. Also, the uncertainties involved are all very small, except for the relative uncertainty for the cross sectional area of the wire. This is because the wire is not of uniform thickness. Nonetheless, it is still fairly precise.
Furthermore, the line of best fit of the data points for each graph show linear relationships that go through origin. This is accurate as it is the same as that of the theory. The value of k i. Sources of random error and possible improvements: It was noticed that the readings on the Ammeter and the Voltmeter flickered between values.
It was the hundredth digit i. This created some uncertainty in the readings. The readings may still fluctuate, but it will be a less significant digit that is fluctuating.
And since this was the cause of most of the error involved with the Voltage and Current, it would significantly reduce the uncertainty. However, the uncertainty is already fairly low and the results of the experiment verified the theory, so, for the purposes of this practical, the improvement would not be completely necessary.
It was noticed that the wires would heat up after a couple of seconds of running a current through them. This means that the resistance of the wires will increase.
This will cause some uncertainty in the readings of current and voltage. To minimise this problem, time should allowed for the wires to cool after each experiment. Also, the recording should be done very quickly after the power source is turned on, to minimise the time the wire has to heat up.
This will help to ensure that the temperature is similar for each reading. During this experiment however, there was insufficient time, which made this difficult to implement.
The thickness of the wire was not constant throughout the length of the wire. This means that different sections of the wire will create different amounts of resistance. As a result, this would effectively mean that the experiment would be conducted on a slightly different wire each time.
This was the main cause of uncertainty in the cross-sectional area of the wires.Education and Training: Doctoral degree Salary: Median—$50, per year Employment Outlook: Good Definition and Nature of the Work. Zoologists are biological scientists who study animals. They observe animals both in their natural habitats and in the laboratory .
(Source: Physics for the IB Diploma, K. A. Tsokos, ) Evaluation. Precision and accuracy: All of the points of the graph lie very close to the line of best fit. Thus the data is fairly precise.
Also, the uncertainties involved are all very small, except for the relative uncertainty for . Lab reports are an essential part of all laboratory courses and a significant part of your grade.
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