2.1 Tape Activity - This was a lab I completed in class. PDF

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This was a lab I completed in class....

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Tape Activity Materials: ● ● ● ● ● ●

Scotch Tape Clear plastic strips and PVC pipe pieces Aluminum foil Single hole punch Wool cloth pieces Ring stands

Procedure and Observations: 1. Use your hole punch and piece of paper in your bin to get a few hole punches on the table. 2. Take your piece of wool and rub the PVC pipe (the white plastic tube.) As you now bring the plastic near the hole punches, what do you observe? Is there a force acting on the hole punches? How do you know? Answer: I observe that when you hold over the PVC pipe over the hole punches, it causes the hole punches to lift up. There is a force that is acting on the hole punches because before rubbing the wool onto the PVP the hole punches did not lift up. 3. Take a piece of tape about the width of your hand and fold a tab over on one end. Stick it to the table and write “T” with a Sharpie. Do the same thing with a 2nd piece of tape. When you pull this off of the table, it will create a static charge. Tape labeled “T” always gets pulled directly from the table. 4. Take two more pieces of tape and fold tabs over. Stick them to the piece of foil. When you pull this off the foil, it will create a static charge. Tape labeled “F” always gets pulled directly from the foil. STOP. Teacher Initials _ek____ Progress = 20% 5. Experiment with T and F tape by tearing them quickly off their surfaces and bringing the tape pieces near each other. Between each experiment, reset your tape by re-placing the tape on the correct surface and pulling it off again. In the table below, write “attracted” or “repelled.” Type of Tape

T

F

T

repelled

attracted

F

attracted

repelled

6. Based on your results, what can you conclude happens when similarly charged objects are brought near each other? Answer: When similarly charged objects are brought near each other it cause them to repeal each other.

7. What can you conclude happens when oppositely charged objects are brought near each other? Answer: When oppositely charged objects are brought near each other they are attracted to each other.

STOP. Teacher Initials ___ek__ Progress = 60%

Part II: Other Charged Objects 1. Charge two pieces of tape, one T and one F. Hang them on the ring stand so they are fairly far away from each other. (See picture on the right.) Don’t let them touch! 2. Use the wool piece to rub the PVC vigorously. Bring the PVC near the T and F tapes. Record your results in the table below. 3. Repeat with the clear strip (acetate.) Record your results in the table below.

Object

T

F

PVC Pipe

repelled

attracted

Clear Strip

attracted

repelled

4. Which type of plastic (acetate or PVC) was similarly charged with the T tape? How do you know? Answer: The PVC pipe was similarly charged the same as the T-tape.

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5. Which type of plastic (acetate or PVC) was similarly charged with the F tape? How do you know? Answer: The acetate was similarly charged with the F tape. 6. Why didn’t either of the types of plastic (acetate or PVC) attract both types of tape? Answer: The types of plastic didn’t attract both types of tape because since each tape had a similar surface that it was on. It did not have the same charges, which causes the difference between the F and T tape depending on the acetate or PVC pipe.

STOP. Teacher Initials _ek____ Progress = 100%

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