Identification Of Features On The Ocean Floor Answers

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Identification of features on the ocean floor answers.

It is formed by an outpouring of magma. Note that the lettered spaces below do not correspond exactly to the numbered descriptions in the textbook. Ocean floor features vocab crossword wordmint the ocean floor worksheets diagram geologic landforms of the ocean floor geological ocean floor features activity worksheets teachers pay seafloor spreading questions q. Mid ocean ridge underwater on the sea floor that are made up of magma and run all around the ocean.

This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. 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. 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. The mountain ranges of the mid ocean ridge trenches and underwater volcanoes are all formed by interactions of earth s plates.

Features of the ocean floor worksheet answers. These areas are among the flattest and least explored on the earth s surface. Less than one tenth of 1 of. The abyssal plain has a depth between 2 200 and 5 500 m 7 200 and 18 000 ft and covers about 40 of the ocean floor.

Beyond this slope is the abyssal plain a smooth and nearly flat area of the ocean floor. This underwater mountain system can be found in all oceans of the world. Features found on the ocean basin floor consist of valleys and rifts. The mid ocean ridges which wrap around the ocean floor like the seam of a baseball are high topographic features but as you go away from either side of a ridge the ocean floor subsides as it cools.

The ocean floor off the continental shelf is known as the abyssal plain. Mid ocean ridge group of underwater mountain chains criss crossing the oceans. Mean water level observed for a given duration day month year. Write the name for each feature using the choices listed below.

It is used as a reference to define coastal features and calculate the elevation of topographical elements. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.