Ocean Trench

What formations happen at ocean to ocean subduction zones?

• Deep oceanic trenches

• Mountain Ranges

• Coastal Volcanic Mountains

• Both mountains and volcanoes

Tags

NGSS.MS-ESS2-2

Which plate is the SUBDUCTING or sinking plate in a convergent boundary?

• The dense oceanic plate

• The Thick continental plate

• Neither

• Both ocean and continental plate can sink.

Tags

NGSS.MS-ESS2-2

A place in the ocean where the oceanic crust bends downward is known as a _____________.

• Mid-Ocean Ridge

• Subduction

• Deep-Ocean Trench

• Sea-Floor Spreading

• Magnetic Striping

What is it called when the ocean floor sinks beneath a deep-ocean trench?

• Mid-Ocean Ridge

• Deep-Ocean Trench

• Sea-Floor Spreading

• Subduction

• Magnetic Striping

Tags

NGSS.MS-ESS2-2

OCEAN TRENCHES (which statement is incorrect)

• The very deepest part of the ocean

• No light in this area

• The water pressure here is very high

• Home to many living things

Answer explanation

The correct answer is 'Home to many living things' because ocean trenches are not typically home to many living organisms due to extreme conditions like high pressure, lack of light, and low nutrients.

Tags

NGSS.MS-LS2-4

The feature labeled C represents some of the deepest spots on the ocean floor. These areas are called ___.

• mid-ocean ridge

• trenches

• deep-sea vent

• abyssal plain

Tags

NGSS.MS-ESS2-3

What is the primary process that forms deep-sea trenches?

• Sediment deposition

• Volcanic activity

• Plate subduction

• Erosion by ocean currents

Tags

NGSS.MS-ESS2-3

Oceanic Trenches are formed by either _______ or _______ plate boundaries

• Convergent Oceanic / Continental

• Convergent Continental / Continental

• Convergent Oceanic / Oceanic

• Divergent

What are trenches in the context of the ocean floor?

• Flat areas where sunlight penetrates and supports vast ecosystems

• Steep areas connecting the continental shelf and the abyssal plain

• Underwater valleys deeper than the surrounding ocean floor

• Elevated areas that collect sediment from the continental shelf

Deep ocean trenches are most often associated with which type of plate boundary?

• Divergent

• Convergent

• Transform

• Subduction

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1