Identification Of Features On The Ocean Floor Quizlet

Write the name for each feature using the choices listed below.

Identification of features on the ocean floor quizlet.

All answers are yes but responses may lead to class discussion. Label the ocean basins a. Beyond this slope is the abyssal plain a smooth and nearly flat area of the ocean floor. The mountain ranges of the mid ocean ridge trenches and underwater volcanoes are all formed by interactions of earth s plates.

Early civilizations believed the ocean floor to be a smooth bowl devoid of features or life. However the ocean floor is not flat. Features of the ocean include the continental shelf slope and rise. Narrow flat abyssal.

Mean water level observed for a given duration day month year. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. In general the cross sections of deep sea trenches are v shaped with steeper landward sides. It is formed by an outpouring of magma.

This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Scientific research submersibles have explored the ocean s deepest trenches but most are designed to reach only the ocean floor. Identification of features on the ocean floor different oceanic features are numbered 1 through 10 adjacent to the figure below. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet.

Today much of our exploration of the oceans happens using sonar and remotely operated vehicles. Note that the lettered spaces below do not correspond exactly to the numbered descriptions in the textbook. Mid ocean ridge group of underwater mountain chains criss crossing the oceans. On the sea floor made up of rocks minerals sediments and sand a steep cliff like slope increases water pressure and is where the continent connects with the ocean floor.

It has a wide variety of geological features e g fig. Navigators of ships and submarines are interested in avoiding dangers or impediments to their progress. Typical slopes range between 4 and 16 although slopes as steep as 45 have been measured in the tonga trench of the equatorial south pacific. Information on the student worksheets depending on time available for the exercise.

It is used as a reference to define coastal features and calculate the elevation of topographical elements. At the edge of the shelf the ocean floor drops off in a steep incline called the continental slope. The ocean floor is called the abyssal plain. Deep sea trenches and their approaches are striking features on the ocean floor.

The ocean floor has an s shape basin that extends north to.