Ocean Floor Features

What is the name for the underwater mountain range that runs through the middle of the ocean?

• Mid-Atlantic Ridge

• Abyssal Plain

• Submarine Canyon

• Trench

Which ocean floor feature is formed by the collision of two tectonic plates, resulting in a deep trench?

• Mid-ocean ridge

• Seamount

• Continental shelf

• Subduction zone

What are underwater mountains called?

• Submerged plateaus

• Oceanic peaks

• Underwater hills

• Seamounts

Which ocean floor feature is the shallowest part of the ocean, extending from the shore to a drop-off called the shelf break?

• Ocean trench

• Mid-ocean ridge

• Submarine canyon

• Continental shelf

What is the name for the flat, smooth areas of the ocean floor that are covered in sediment?

• Mountain ranges

• Abyssal plains

• Deserts

• Canyons

Which ocean floor feature is the deepest part of the ocean, often found near subduction zones?

• Mariana Trench

• Hawaiian Islands

• Great Barrier Reef

• Mid-Atlantic Ridge

Which ocean floor feature is formed by volcanic activity, creating a tall, isolated peak?

• Continental shelf

• Mid-ocean ridge

• Trench

• Seamount

What is the name for the underwater extension of a continent, covered by relatively shallow seas?

• Ocean trench

• Submarine canyon

• Mid-ocean ridge

• Continental shelf

Which ocean floor feature is the largest and flattest part of the ocean floor, covering more than 50% of the Earth's surface?

• Abyssal Plain

• Seamount

• Trench

• Mid-ocean ridge

What is the term for the steep descent of the ocean floor from the continental shelf to the abyssal plain?

• Continental slope

• Submarine ridge

• Oceanic trench

• Plateau descent