Ocean Trench

The deepest part of the ocean; long, narrow ditches

• Tectonic plates

• Trenches

• Divergent boundary

• Continental shelves

True or false : Deep-Ocean Trenches are underwater canyons?

• False

• True

Tags

NGSS.MS-ESS2-3

At subduction zones, a deep _______forms under the ocean.

Tags

NGSS.MS-ESS2-3

When subduction happens, which plate will go under the other plate?

• the denser one

• the less dense one

• the one with magma

• the one with mountains

Tags

NGSS.MS-ESS2-3

When a plate that is subducting gets stuck and then moves suddenly, what two things can happen?

• tsunamis

• earthquakes

• volcanoes

• diches

Tags

NGSS.MS-ESS3-2

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

• the oceanic crust is melting.

• the denser ceanic crust is subducting under the less dense oceanic crust

• volcanic islands are forming.

• the tectonic plates are moving away from each other.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

An area of low elevation in the oceans found near convergent boundaries?

• trench

• mid ocean ridge

• plateau

What process happens at trenches?

• sea floor spreading

• subduction

• transformation

Tags

NGSS.MS-ESS2-3

What is the primary geological process occurring at ocean trenches?

• Subduction

• Sea floor spreading

• Volcanism

• Erosion

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1

Which ocean trench is the deepest known on Earth?

• Mariana Trench

• Tonga Trench

• Puerto Rico Trench

• Java Trench