MMS3443 Topic 2

What is the study of underwater depth of sea or ocean floors called?

• Oceanography

• Bathymetry

• Hydrography

• Geology

Which of the following features is NOT part of the ocean floor structure?

• Continental Shelf

• Mid Ocean Ridge

• Mountain Range

• Abyssal Plain

What is the primary focus of geological oceanography?

• Study of marine life

• Study of ocean floor history and structure

• Study of ocean currents

• Study of oceanic weather patterns

Which method uses sound propagation to detect objects underwater?

• Echo Sounding

• Lead and Line

• Sonar

• Satellite

What is the term for the underwater feature that separates the thin oceanic crust from the thick continental crust?

• Continental Margin

• Ocean Trench

• Seamount

• Rift Valley

What do contour lines on a bathymetric map represent?

• Depth of the ocean

• Type of sediment

• Elevation of land

• Shape of the land

Which ocean is the largest by surface area?

• Pacific Ocean

• Arctic Ocean

• Indian Ocean

• Atlantic Ocean

What is the average angle of the continental slope?

• 10°

• 4°

• 1°

• 35°

Which of the following is a method used for modern mapping of the seabed?

• Sounding

• Sonar

• Wire-drag

• Lead and Line

What is the Mariana Trench known for?

• Being the deepest part of the ocean

• Being a continental shelf

• Being the shallowest part of the ocean

• Being a volcanic island