Ocean Floor Topography Review

In echo sounding (SONAR) how are you sure you just have the time to the ocean floor?

This occurs at a divergent boundary where new crust is being added to an oceanic plate.

What is a chimney shaped ocean floor feature that spews forth super-heated water?

This is the percent of the earth's surface covered by oceans.

Scientist that is credited with forming the theory of continental drift is 

This theory exists because of evidence that the continents used to be one called Pangea.

What is the equation time ÷ 2 X the speed of sound in water used for?

What is the seafloor feature that is the deepest of the ocean and forms at a subduction zone?

This states that the crust is divided into plates that float on the upper mantle.

Relatively shallow portion of the continental margin that ends at the slope.

This technology is used to map the ocean floor with sound waves.

Portion of the ocean floor that separates the continent from the deep ocean is called

What is a single undersea mountain caused by the build-up of an undersea volcano called?

An undersea mountain that has been worn flat by the action of waves or currents.

A steep drop off at the end of the continental shelf ending in continental rise.

Which hemisphere is also know as the water hemisphere?

What is the build up of sea floor sediments at the base of a continental slope?

What is the name of the floor of the ocean in the deep sea area of an ocean basin?

What is the area where one crustal plate slides under another plate called?

A range of volcanic mountains on the floor of the Atlantic Ocean basin is called