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Understanding Nanotechnology
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Understanding Nanotechnology

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Questions and Answers

What is the size of a nanometre (nm) in meters?

  • 0.000 000 01 meter
  • 0.000 000 001 meter (correct)
  • 0.000 001 meter
  • 0.000 000 1 meter
  • Who suggested the idea of nanotechnology in 1959?

  • A scientist working in California
  • Bill McLellan
  • Richard Feynman (correct)
  • An American physicist
  • What did the Egyptians use that contained nanoparticles of black pigment?

  • Ink (correct)
  • Ceramics
  • Dye for hair
  • Jewelry
  • What did the Romans use nanoparticles of lead sulfide for?

    <p>Dye their hair black</p> Signup and view all the answers

    What natural nanoparticles enable insects and lizards to stick to walls?

    <p>Nanostructures on their feet</p> Signup and view all the answers

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