Form 4: Ocean Floor Mapping and Sonar Technology Exercise

Form 4: Ocean Floor Mapping and Sonar Technology

10 minutes 2 views 0 saves EN
Send as Assignment
Form 4: Ocean Floor Mapping and Sonar Technology

Discover how sonar technology is used to map the ocean floor. Explore how mapping data revealed key features of underwater terrain.

Questions

  1. MultiChoice

    What technology uses reflected sound waves to measure ocean depth?

  2. MultiChoice

    What does the acronym 'SONAR' stand for?

  3. MultiChoice

    How does sonar calculate ocean floor depth?

  4. MultiChoice

    Before sonar mapping in the 20th century, what was the common belief about the ocean floor?

  5. MultiChoice

    What underwater feature is a continuous chain of mountains on the seafloor?

  6. MultiChoice

    Which scientists created the first comprehensive map of the ocean floor in the 1950s?

  7. MultiChoice

    What steep underwater valleys were discovered cut deep into the seafloor?

  8. MultiChoice

    Where is the deepest known place on Earth's ocean floor?

  9. MultiChoice

    What deep central valley runs down the middle of mid-ocean ridges?

  10. MultiChoice

    What is a guyot?

  11. MultiChoice

    How did ocean floor mapping change scientists' understanding of geology?

  12. MultiChoice

    What are isolated underwater volcanic mountains called?