Static Electricity or Electrostatics Lab Homework Help | Page 3

Why do you think the charged ruler affected the original suspended strip as it did?
What happened when you brought the two separated tapes close to each other? What
explanations can you offer for this?
How many types of charge did you work with in this exercise? How do you know? There were
two, positive and negative
Why do you think the charged ruler affected the two suspended tapes as it did?
Why do you think the charged ruler affected the two suspended tapes as it did?
Part III
Recharge the second Styrofoam cup by rubbing it with the fur. Run the cup lightly over the back
of your arm. What do you observe and/or feel happening?
Bring the Styrofoam cup close to another person's hair. What do you observe? What conclusions
can you make regarding charged Styrofoam?
Part IV
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?
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?
Bring the charged balloon close to the paper scraps from Part 2. How does the rubbed balloon
affect the paper bits?