Mariana Trench

The Challenger Deep is the deepest point in the Mariana Trench. How did the Challenger Deep get its name?

• It was named after the British Royal Navy ship sent to measure the ocean depths.

• Its name comes from a machine whose weights extend to the bottom of the ocean.

• Its name is related to a type of echo sounder that sends sound waves to the seafloor.

• It was named after the scientists who discovered that water near the Mariana Islands was very deep.

What is happening at the bottom of the Mariana Trench?

• The Puerto Rico Trench is being created.

• The bottom of the Mariana Trench is moving up, toward the surface.

• A layer of puttylike rock is moving between a heavy plate and a lighter plate.

• A heavy plate of rock is pressing into a lighter plate of rock, causing the heavy plate to move down.

Tags

NGSS.HS-ESS1-5

Why do U.S. naval submarines use the Mariana Trench as an expressway?

• The water at the bottom of the trench is clearer.

• It is more difficult for enemies to detect them there.

• The area provides a safe space away from harmful forces of nature.

• The navy has mapped the entire trench and is familiar with the entire area.

Which point is best supported by the information about anglerfish and flashlight fish?

• Special instruments allow humans to study the deep sea.

• Humans cannot live in the rough conditions in the deep sea.

• Some animals have skills that help them live in the deep sea.

• Scientists are just beginning to understand animals in the deep sea.

Tags

NGSS.MS-LS4-4

This trench is the deepest part of the world's ocean and the deepest location on the surface of the earth.

• trench

• guyot

• Mariana Trench

• seamount

Long, narrow topographic depressions of the ocean floor.

• continental shelf

• volcanic island

• trench

• continental wedge

Tags

NGSS.MS-ESS2-3

Name the feature for G

• seamount

• trench

• mid-ocean ridge

• continental shelf

What is the name of the deepest part of the Earth's oceans?

• Mid-Atlantic Ridge

• Mariana Trench

• Great Barrier Reef

• Challenger Plateau

How deep is the Mariana Trench approximately?

• 7,000 meters

• 10,994 meters

• 15,000 meters

• 20,000 meters

Which ocean is the Mariana Trench located in?

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

• Arctic Ocean