# Mapping The Ocean Floor!!!

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Stardoll38
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Quizzes Created: 1 | Total Attempts: 272
Questions: 7 | Attempts: 272

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A quiz on the ocean floor that includes vocabulary and matching

• 1.

### 1.a chain that forms on oceans?

• A.

Trench

• B.

Seamount

• C.

Mid-ocean ridge

C. Mid-ocean ridge
Explanation
A mid-ocean ridge is the correct answer because it is a chain that forms on the ocean floor. It is a long mountain range that runs through the middle of the ocean and is formed by the movement of tectonic plates. As the plates spread apart, magma rises to the surface and forms new crust, creating a chain of underwater mountains. These ridges are often associated with volcanic activity and are important sites for the formation of new oceanic crust.

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• 2.

### 2.a big crack in the ocean floor?

• A.

Abyssal plain

• B.

Trench

• C.

Volcanic island

B. Trench
Explanation
A trench is a deep, narrow depression in the ocean floor. It is formed when one tectonic plate is forced beneath another in a process called subduction. The intense pressure and heat cause the crust to crack and create a trench. This explanation aligns with the given information of a "big crack in the ocean floor," making the trench the correct answer.

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• 3.

### 3.between the continental shelf and a continental rise?

• A.

Volcanic island

• B.

Seamount

• C.

Continental slope

C. Continental slope
Explanation
The continental slope is the correct answer because it is the steeply sloping transition between the continental shelf and the deep ocean floor. It is characterized by a steep drop in depth and is often marked by canyons and channels. The continental slope is caused by the movement of sediment and the erosion of the continental shelf. It is an important feature in the formation of submarine canyons and plays a crucial role in the transport of sediment and nutrients from the continent to the deep sea.

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• 4.

### 4.a large,flat surface of fossils?

• A.

Abyssal plain

• B.

Seamount

• C.

Trench

A. Abyssal plain
Explanation
An abyssal plain is a large, flat surface that is covered with fossils. It is located in the deep ocean and is formed by the accumulation of sediment over millions of years. The fossils found on the abyssal plain provide valuable information about the history of marine life and the geological processes that have shaped the ocean floor. This option is the correct answer because it accurately describes a large, flat surface of fossils.

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• 5.

### 5.a mountain in the ocean?

• A.

Continental shelf

• B.

Trench

• C.

Seamount

C. Seamount
Explanation
A seamount is a mountain that rises from the ocean floor but does not reach the surface of the water. It is formed by volcanic activity and can be found in various parts of the ocean. Seamounts are usually isolated and can vary in size and shape. They are different from continental shelves, which are shallow areas of the ocean near the continents, and trenches, which are deep depressions in the ocean floor. Therefore, seamount is the correct answer for the given question.

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• 6.

### 6.between the slope and shoreline?

• A.

Volcanic island

• B.

Trench

• C.

Abyssal plain

• D.

Continental shelf

D. Continental shelf
Explanation
The continental shelf is the correct answer because it is the area between the shoreline and the slope. It is a gently sloping underwater extension of the continent, usually covered by shallow seas. The continental shelf is rich in marine life and is an important area for fishing and oil exploration.

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• 7.

### 7.a island that has __________ on it?

• A.

Trench

• B.

Volcanic island

• C.

Abyssal plain

B. Volcanic island
Explanation
A volcanic island is a plausible answer because volcanic islands are formed when underwater volcanoes erupt and create new land masses. These islands are typically formed by the accumulation of volcanic materials such as lava, ash, and rocks. The presence of volcanoes on the island suggests that it was created through volcanic activity, making it a reasonable option for the blank space in the question.

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• Current Version
• Mar 20, 2023
Quiz Edited by
ProProfs Editorial Team
• Jan 25, 2010
Quiz Created by
Stardoll38

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