How does a plastic comb attract paper? | #aumsum #kids #science #education #children | Summary and Q&A

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May 12, 2017
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How does a plastic comb attract paper? | #aumsum #kids #science #education #children

TL;DR

When a plastic comb is rubbed on dry hair, it gains static electricity, allowing it to attract pieces of paper.

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Key Insights

  • 🥹 Electric charge is the quantity of electricity held in an object.
  • ❎ Objects can have positive, negative, or equal amounts of positive and negative charges, making them electrically charged or neutral.
  • 👻 Rubbing a plastic comb on dry hair generates static electricity, allowing it to attract pieces of paper.

Transcript

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Questions & Answers

Q: Why does a plastic comb attract paper after being rubbed on dry hair?

Rubbing the plastic comb on dry hair generates an electric charge known as static electricity. This allows the comb to exert a force and attract paper.

Q: What are the two types of electric charges?

The two types of electric charges are positive and negative. Objects can have an equal number of positive and negative charges, making them electrically neutral.

Q: Why does a metallic comb not attract paper like a plastic comb?

Unlike plastic, metal is a good conductor of electricity. It allows electric charges to flow through it onto the earth, preventing the comb from becoming electrically charged and attracting paper.

Q: What is static electricity?

Static electricity is an electric charge that remains in one place, typically generated by friction, as in the case of rubbing a plastic comb on dry hair.

Summary & Key Takeaways

  • The content explains how a plastic comb attracts paper through the concept of electric charge.

  • It describes the two types of electric charges (positive and negative) and how objects can be electrically neutral.

  • Rubbing the plastic comb on dry hair generates an electric charge, enabling it to exert a force and attract paper.

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