Ocean Floor Study Guide

What is the gently sloping edge of the continental shelf?

• seamount
• mid-ocean ridge
• continental slope
• rift zone

What are underwater spreading centers (divergent boundaries) called?

• continental shelf
• mid-ocean ridges
• abyssal plains
• continental slopes

What is the flattest part of the ocean called?

• continental slope
• continental shelf
• abyssal plain
• ocean basin

What is the deepest part of the ocean basin?

• abyssal plains
• trenches
• rift zones
• mid-ocean ridge

What is an underground volcano called?

• trench
• seamount
• rift zone
• valley

What is an underwater mountain formed by a volcano?

• trench
• rift zone
• seamount
• mid ocean ridge

What percent of the Earth's surface is covered in water?

• 71
• 82
• 50
• 63

sediment settles in this area.continental...

• rise
• slope
• shelf

A __________ is the area in an ocean basin where new ocean floor is formed

• sea mount
• continental shelf
• mid ocean ridge
• continental slope

Label A

• continental slope
• continental shelf
• abyssal plain
• sea mount