Mariana Trench HMH

Front

What is the Mariana Trench?

Back

The Mariana Trench is the deepest part of the world's oceans, located in the western Pacific Ocean.

Front

What is the Challenger Deep?

Back

The Challenger Deep is the deepest point in the Mariana Trench, reaching a depth of about 36,000 feet.

Front

What does 'peak' mean?

Back

The highest point of something, such as a mountain.

Front

What is a synonym for 'prehistoric'?

Back

Ancient.

Front

What adaptations do deep-sea animals have?

Back

Deep-sea animals have special skills, like bioluminescence, to survive in dark and high-pressure environments.

Front

What is bioluminescence?

Back

Bioluminescence is the ability of certain organisms to produce light through chemical reactions.

Front

What is the significance of the Mariana Trench?

Back

It is important for studying Earth's geology, marine life, and the effects of deep-sea conditions.

Front

What is a synonym for 'glimpse'?

Back

Glance.

Front

How do scientists study the deep sea?

Back

Scientists use submersibles, remotely operated vehicles, and sonar technology to explore the deep sea.

Front

What is the average depth of the ocean?

Back

The average depth of the ocean is about 12,080 feet.