In a separate sheet of paper, answer the following individually: 1. If hair is rubbed against Styrofoam, would you expect a stronger or weaker effect? What type of charge would appear on the Styrofoam? What charge on the hair? 2. What would be the sign of the charges on each of the following items if they were rubbed against each other: a Cotton b. Fur Nylon Rubber

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3. Why are artificial fabrics typically more prone to static cling?
Conclusion
Transcribed Image Text:3. Why are artificial fabrics typically more prone to static cling? Conclusion
Direction: Understand electrostatic phenomena in terms of the basic physiCs of
electric charges and experimentally distinguish positive and negative charges.
Materials needed:
þwo rubber balloons, tissue paper
Procedure:
1. Vigorously rub an inflated balloon with your over dry, frizzy, unconditioned hair. Place
the rubbed balloon near to your hair and observe what will happen.
Fig 1
2. Rubbed again the balloon. Tear off a few small pieces of tissue paper. Placed again the
rubbed balloon on the small pieces of tissue paper. Observe what will happen.
Note: The Triboelectric Series ranks different materials by their tendency to give up or absorb
electrons.
The Triboelectric Series
Tends to absorb
Tends to shed
Tribo is from the Greek term for rubbing.
electrons
electrons
if you are follicly challenged, use the fur.
Questions and Problems:
In a separate sheet of paper, answer the following individually:
1. If hair is rubbed against Styrofoam, would you expect a stronger or weaker effect? What
type of charge would appear on the Styrofoam? What charge on the hair?
2. What would be the sign of the charges on each of the following items if they were
rubbed against each other:
a. Cotton
Nylon
b. Fur
Rubber
Transcribed Image Text:Direction: Understand electrostatic phenomena in terms of the basic physiCs of electric charges and experimentally distinguish positive and negative charges. Materials needed: þwo rubber balloons, tissue paper Procedure: 1. Vigorously rub an inflated balloon with your over dry, frizzy, unconditioned hair. Place the rubbed balloon near to your hair and observe what will happen. Fig 1 2. Rubbed again the balloon. Tear off a few small pieces of tissue paper. Placed again the rubbed balloon on the small pieces of tissue paper. Observe what will happen. Note: The Triboelectric Series ranks different materials by their tendency to give up or absorb electrons. The Triboelectric Series Tends to absorb Tends to shed Tribo is from the Greek term for rubbing. electrons electrons if you are follicly challenged, use the fur. Questions and Problems: In a separate sheet of paper, answer the following individually: 1. If hair is rubbed against Styrofoam, would you expect a stronger or weaker effect? What type of charge would appear on the Styrofoam? What charge on the hair? 2. What would be the sign of the charges on each of the following items if they were rubbed against each other: a. Cotton Nylon b. Fur Rubber
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