Which material that is rubbed with cotton would attract a positively charged human hair. There are 4 candidates, namely: glass, fur, silicon, and acetate. By rubbing the pairs of materials, the signs of the resulting charges were determined. The data is based on the image. Questions: (1) Which of the materials will repel human hair the most? (2) Which of the materials will attract human hair the most? Choices: Fur, Silicon, Glass, Cotton, Acetate

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Situation: Which material that is rubbed with cotton would attract a positively charged human hair. There are 4 candidates, namely: glass, fur, silicon, and acetate. By rubbing the pairs of materials, the signs of the resulting charges were determined. The data is based on the image.

Questions: (1) Which of the materials will repel human hair the most? (2) Which of the materials will attract human hair the most?

Choices: Fur, Silicon, Glass, Cotton, Acetate

Pair of Materials
Charge
+ & -
- & +
Pair of Materials
Charge
- & +
+ & -
+ & -
- & +
+ & -
Glass & Cotton
Silicon & Fur
Fur & Glass
Cotton & Silicon
Cotton & Fur
- & +
Glass & Silicon
Silicon & Acetate
& +
Acetate & Cotton
Acetate & Glass
- & +
Fur & Acetate
Transcribed Image Text:Pair of Materials Charge + & - - & + Pair of Materials Charge - & + + & - + & - - & + + & - Glass & Cotton Silicon & Fur Fur & Glass Cotton & Silicon Cotton & Fur - & + Glass & Silicon Silicon & Acetate & + Acetate & Cotton Acetate & Glass - & + Fur & Acetate
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