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Long Throats, Loud Roars

A lion’s throat has stretchy cartilage that opens into a long, wide space. Air pushed through that big space makes a deeper, louder sound than air pushed through a small one.

In the picture

  1. 1: the long, wide air tube inside the lion’s throat
  2. 2: the short, narrow tube inside the small cat’s throat
  3. 3: the stretchy cartilage bands at the top of the lion’s throat
  4. 4: the rings of sound spreading out from the lion’s mouth

Examples

  • A trombone sounds lower than a trumpet because its tube is longer.
  • A big drum booms deeper than a small one.

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Physics, Age 11