Chapter 14 Smallest ??

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Chapter 14 Smallest ??
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• The word smallest means having little size or
  operating on a limited scale.
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• We live in a big world of sound, but how do we
  hear?
• First, sounds come to three small bones in the
  middle ear.

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• Of these three, the stirrup is the smallest
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• bone in our body about the size of a grain of
  rice. ??

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• It passes the sounds to a spiral filled with
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• tiny hairs, each of which sends sound
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• information to the brain.
• Watch the sound of a pin drop.
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• Inside Rome is the worlds smallest country, less
  than half a square kilometer
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• with under 1,000 citizens including the Pope.
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• But the Vatican also has its own post office,
  bank, railway station and issues its own coins,
  stamps and passports.
• In addition, the smallest country has the
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• worlds smallest army the Swiss Guard!

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• Chung Chow harbor has
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• tens of thousands of Chinese people.
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• It has been like this for centuries.
• But it has the worlds smallest fire-fighting
  team.

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• The fire engines are so tiny, only the drivers
  can ride everyone else must run behind.
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• But no one can remember a fire in Chung
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• Chow!

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• All types of manufacturing move atoms to make new
  shapes, but nanotechnology is manufacturing at
  the smallest level.

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• This new technology can make a new group of
  products that are cleaner, stronger, lighter and
  more exact.
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• This piece is so small it can go through the eye
  of a needle, but nanotechnology is
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• much smaller.
• This technology can build tiny working machines
  and even fast computers.
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