Mariana Trench

What type of text structure gives similarities and differences?

• Compare and contrast

• Problem and solution

• Sequence

What is text structure?

• What the story is mostly about .

• How the story is organized.

• The lesson of the story.

What is the central idea of a story?

• What the story is mostly about.

• What lesson you can learn from the story.

• The way the story is organized.

Why do US Naval submarines use the marina trench as an expressway?

• The water at the bottom of the trench is clear

• It is more difficult for enemies to detect them there

• The area provides a safe space away from harmful animals

What is happening at the bottom of the marina trench?

• The bottom of the marina trench is moving up towards the surface

• A layer of putty like 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 a heavy plate to move down

How did the challenger deep get its name?

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

• It was named after the scientist who discovered the water near the Mariana Islands.

• It’s name comes from a machine whose weight extend it to the bottom of the ocean.

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

• Special instruments allow humans to study the deep sea.

• Humans cannot survive in the rough conditions of the deep sea.

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

The passage says that if Mount Everest were placed in the challenger deep its peak would be underwater. what does peak mean?

• Top

• Shape

• Size

Choose the best definition of AUTONOMOUS -

• able to operate on its own

• controlled remotely by a human

• dependent of human effort

Choose a synonym for GLIMPSE.

• stare

• spy

• glance

• sight