Hydrology Unit- S6E3

Underwater volcanoes/mountains are called:

• Abyssal Plain

• Mid-Ocean Ridges

• Seamounts

• Ocean Trenches

Land that drops down steeply at the edge of a continental shelf is called:

• Volcanic Island

• Mid-Ocean Ridge

• Abyssal Plain

• Contental Slope

A wide, flat area of the ocean floor that is covered with a thick layer of sediment.

• Abyssal Plain

• Mid-Ocean Ridge

• Continental Shelf

• Continental Slope

An underwater volcano tall enough to reach above the surface is called:

• Ocean Trench

• Continental Shelf

• Abyssal Plain

• Volcanic Island

Flat or gently sloping land that lies submerged around the edges of a continent and that extends from the shorline to the continental slope is called:

• Volcanic Island

• Ocean Trench

• Continental Shelf

• Continental Slope

A chain of mountains that run through an ocean basin which molten rock from deep within the earth has risen up to form is called:

• Mid-Ocean Ridge

• Continental Shelf

• Ocean Trench

• Abyssal Plain

Tags

NGSS.MS-ESS2-3

On this question, you must select the two correct answers to make this statement true.  __________equipment has been used to help us understand the physical features of the ocean floor called ocean________________.

• Radar/Highlights

• Radar/Topography

• Sonar/Highlights

• Sonar/Topography

Narrow, steep-sided clefts in the ocean floor are called a/an:

• Abyssal Plain

• Volcanic Island

• Continental Shelf

• Ocean Trench

What percentage of Earth's water is saltwater?

• 100%

• 97%

• 25%

• 3%

Tags

NGSS.MS-ESS2-4

What percentage of Earth's freshwater is available to humans and animals?

• 97%

• 25%

• 1%

• %3

Tags

NGSS.MS-LS2-1