Question Sheet: Are Propellers Fin-ished?


Before reading:

  1. Name three animals that have flippers. 
  2. Why are submarines useful? 
  3. What is "aquabatics"?

During reading:

  1. Why are scientists looking at penguins to improve submarines? 
  2. What is the advantage of flexible materials for water vehicles? 
  3. Describe PilotFish. 
  4. Explain the effect of turbulent water on most underwater vehicles. Why is the PilotFish different? 
  5. How are scientists researching the role of a whale flipper's scalloped edge? 
  6. What is the advantage of peda...

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