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Questions and Answers
What is the size of a nanometre (nm) in meters?
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?
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?
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?
What did the Romans use nanoparticles of lead sulfide for?
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What natural nanoparticles enable insects and lizards to stick to walls?
What natural nanoparticles enable insects and lizards to stick to walls?
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