What are the features of the ocean floor?

The largest landform under the ocean is an ____.

• ocean volcano

• ocean basin

Lines are used to show elevation and steepness of slopes on a ___ map.

• relief

• topographical

An underwater earthquake can produce a large wave called a ___.

• tsunami
• hurricane

Tags

NGSS.MS-ESS3-2

The deepest areas of the ocean floor are ____.

• valleys

• trenches

Volcanoes often erupt at places where one ___ dives under the other.

• mountain
• plate

Tags

NGSS.MS-ESS2-3

The Hawaiian islands formed over a stationary pool of magma below Earth’s crust called a ____.

• hotspot
• volcano

Tags

NGSS.MS-ESS2-3

Shallow waters cover the ___, the gently sloping part of the ocean floor along the coast.

• continental slope

• continental shelf

The sharp drop from the continental shelf to the continental rise is the ___.

• continental slope

• continental shelf

A wide, flat area covering about 40% of the ocean floor is the ___.

• ocean trench
• abyssal plain