Electric Charge and Lab Report Assistant Essay

1241 Words Aug 16th, 2013 5 Pages
Static Electricity or Electrostatics

Peter Jeschofnig, Ph.D. Version 42-0278-00-01

Lab Report Assistant

This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.

Observations

Questions
Part 1
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Run the cup lightly over the back of your arm. What do you observe and/or feel happening? * I feel my hairs from my arm rising and like a tickle and I observed my arm hairs going up while the cup was on my arm.

2. Bring the Styrofoam cup close to another person's hair. What do you observe? What conclusions can you make regarding charged Styrofoam? - Static is being seen the cup was rubbed with my hair and the reaction is there. My hair goes up.

Question 1 Question 2

Part 4

1. Rub an inflated balloon with the fur and try to stick it to different surfaces. What can you make the balloon stick to? Does it stick better to some surfaces? Why? * According to by surroundings the fur does not make the balloon to be attracted to anything. With my hair only a bit does is make it rise but not really. It can be because the rabbits fur is thick compared to other charging objects. *

2. Rub an inflated balloon against your hair and then try to stick it to the same objects you used for Step A. Does rubbing with fur work as well as, better than, or worse than if you rub the balloon against your hair instead? * It’s basically the same only that when I rub it with my hair and leave it in my hair my hairs do rise unlike the rabbit fur it did not make my hairs rise.

3. Bring the charged balloon close to the paper scraps from Part 2. How does the rubbed balloon

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