14.1

Question 1

What is oceanography?

Answer 1

Oceanography is the science that uses geology, chemistry, physics, and biology to study all aspects of the world ocean.

Question 2

What are the four major ocean basins?

Answer 2

The four major ocean basins are the Pacific Ocean, Atlantic Ocean, Indian Ocean, and Arctic Ocean.

Question 3

Which ocean is the largest and deepest?

Answer 3

The Pacific Ocean is the largest and deepest ocean.

Question 4

What is bathymetry?

Answer 4

Bathymetry is the measurement of ocean depths and charting of the ocean floor.

Question 5

What does sonar stand for and what does it do?

Answer 5

Sonar stands for Sound Navigation and Ranging; it uses sound waves to calculate distance to an object.

Question 6

How does the depth of the ocean affect sound wave return time?

Answer 6

If the ocean is shallow, sound waves return quickly; if it is deep, it takes longer.

Question 7

What is multibeam sonar?

Answer 7

Multibeam sonar is a new version of sonar that uses more than one sound source.

Question 8

How do satellites measure the ocean?

Answer 8

Satellites use radar to compute the distance to the ocean’s surface.

Question 9

What are submersibles?

Answer 9

Submersibles are small underwater craft used for deep-sea research to collect data about areas of the ocean unreachable by humans.