Under water, Kevlar is 20 times stronger than steel.
These Kevlar cables are supporting a sonar facility that the U.S. Navy uses to find out how much noise submarines make.
  Police wear bulletproof vests made of Kevlar.

Windsurfing sails that can withstand the force of 60 mph winds and don't rip easily are made of Kevlar.

Although Kevlar was developed in the late 1960s, scientists are still working to answer the question, "What makes Kevlar so strong?" The following screens provide some clues. See if you can piece together the clues in order to understand the mystery of what gives Kevlar its strength.




Clue #1

Clue #2

Clue #3

Clue #4

Clue #5

Putting the Pieces Together

  *KEVLAR® is a registered trademark of E.I. du Pont de Nemours and Company.

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