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Name: F,L December 4, 2006 Period: ___

SONAR. Name: F,L December 4, 2006 Period: ___. Essential Questions:. 1. What is SONAR? 2. How does SONAR work? 3. Why is SONAR used?. 1. What is SONAR?. The word "sonar" is an abbreviation for: SO und N avigation R anging. 2. How does SONAR work?.

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Name: F,L December 4, 2006 Period: ___

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  1. SONAR Name: F,L December 4, 2006 Period: ___

  2. Essential Questions: 1. What is SONAR? 2. How does SONAR work? 3. Why is SONAR used?

  3. 1. What is SONAR?

  4. The word "sonar" is an abbreviation for: • SOund • Navigation • Ranging

  5. 2. How does SONAR work?

  6. Sonar is simply making use of an echo • When an animal or machine makes a noise, it sends sound waves into the environment around it • Those waves bounce off nearby objects, and some of them reflect back to the object that made the noise. • Animals and specialized machines can use reflected waves to locate distant objects and sense their shape and movement.

  7. 2. How is SONAR used?

  8. 1. It was developed as a means of tracking enemy submarines in WWII

  9. 2. Humans use SONAR to track fish

  10. 3. Many animals use SONAR to ‘echolocate’ to travel or find food

  11. SUMMARIZE!

  12. Exit Ticket: Answer the 3 essential questions Only write the answer

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