Mariana Trench
The passage says that if Mount Everest were placed in the Challenger Deep, its peak would be underwater. What does peak mean?
A top
B size
C shape
D weight
A top
What does the prefix auto- mean?
A. Life
B. Light
C. Self
D. Writing
C. Self
Which word is the adjective in the sentence?
The ancient bridge crossed the wide river.
A. bridge
B. crossed
C. ancient
D. river
C. ancient
What does prehistoric mean?
A. Very old, from a time before written history
B. Dangerous and scary
C. Happening every year
D. Small and hidden
A. Very old, from a time before written history
What is the Mariana Trench best known for?
A. Being the biggest island in the Pacific Ocean
B. Being the deepest part of the ocean on Earth
C. Being the warmest place in the ocean
D. Being shallow and close to the surface
B. Being the deepest part of the ocean on Earth
Which point is best supported by the information about anglerfish and flashlight fish?
A Special instruments allow humans to study the deep sea.
B Humans cannot live in the rough conditions in the deep sea.
C Some animals have skills that help them live in the deep sea.
D Scientists are just beginning to understand animals in the deep sea.
C Some animals have skills that help them live in the deep sea.
The prefix photo- means —
A. Sound
B. Light
C. Life
D. Writing
B. Light
Which adjective correctly completes the sentence?
The sky is ________ before the storm.
A. quickly
B. dark
C. darkly
D. darkness
B. dark
What does vital mean?
A. Not important
B. Necessary or very important
C. Quiet and calm
D. Easy to see
B. Necessary or very important
The deepest spot in the Mariana Trench has a special name. What is it called?
A. Everest Deep
B. Challenger Deep
C. Pacific Deep
D. Island Deep
B. Challenger Deep
The Challenger Deep is the deepest point in the Mariana Trench. How did the Challenger Deep get its name?
A It was named after the British Royal Navy ship sent to measure the ocean depths.
B Its name comes from a machine whose weights extend to the bottom of the ocean.
C Its name is related to a type of echo sounder that sends sound waves to the seafloor.
D It was named after the scientists who discovered that water near the Mariana Islands was very deep.
A It was named after the British Royal Navy ship sent to measure the ocean depths.
An autograph is best described as —
A. A picture made with light
B. A graph with numbers
C. A person’s own signature
C. A person’s own signature
Which sentence shows the correct order of adjectives?
A. She adopted a brown small dog.
B. She adopted a small brown dog.
C. She adopted a dog brown small.
D. She adopted a dog small brown.
B. She adopted a small brown dog.
What does trench mean?
A. A long, narrow hole dug in the ground
B. A type of tree
C. A tall mountain
D. A small animal
A. A long, narrow hole dug in the ground
How does the depth of the Mariana Trench compare to Mount Everest?
A. It is much shallower than Mount Everest is tall
B. It is deeper than Mount Everest is tall
C. It is exactly the same height as Mount Everest
D. It cannot be compared
B. It is deeper than Mount Everest is tall
What is happening at the bottom of the Mariana Trench?
A The Puerto Rico Trench is being created.
B The bottom of the Mariana Trench is moving up, toward the surface.
C A layer of puttylike rock is moving between a heavy plate and a lighter plate.
D A heavy plate of rock is pressing into a lighter plate of rock, causing the heavy plate to move down.
D A heavy plate of rock is pressing into a lighter plate of rock, causing the heavy plate to move down.
What does the prefix bio- mean?
A. Light
B. Life
C. Self
D. Writing
B. Life
Which sentence uses adjectives in the correct order?
A. He wore a leather black jacket.
B. He wore a black leather jacket.
C. He wore a jacket leather black.
D. He wore a jacket black leather.
B. He wore a black leather jacket.
What does summit mean?
A. The top of a mountain or hill
B. A large body of water
C. A meeting of people
D. A deep cave
A. The top of a mountain or hill
Where is the Mariana Trench located?
A. In the Atlantic Ocean
B. Near the Mariana Islands in the Pacific Ocean
C. Next to Antarctica
D. By the coast of Africa
B. Near the Mariana Islands in the Pacific Ocean
Why do U.S. naval submarines use the Mariana Trench as an expressway?
A The water at the bottom of the trench is clearer.
B It is more difficult for enemies to detect them there.
C The area provides a safe space away from harmful forces of nature.
D The navy has mapped the entire trench and is familiar with the entire area.
B It is more difficult for enemies to detect them there.
The newspaper included a __________ to show what the damaged building looked like after the storm.
Word Bank:
A. Autograph
B. Biography
C. Photograph
D. Graph
C. Photograph
Read the paragraph. Then answer the question.
The class visited a big science museum on Friday.
We saw many big exhibits about space and dinosaurs.
Our guide gave a big explanation of how fossils are formed.
Everyone said the trip was exciting.
Which word should be replaced to improve the use of adjectives?
A. big (sentence 1)
B. big (sentence 2)
C. big (sentence 3)
D. exciting (sentence 4)
C. big (sentence 3)
What does thrive mean?
A. To grow, succeed, or do well
B. To hide from danger
C. To fall down
D. To make a loud noise
A. To grow, succeed, or do well
Why is it hard for scientists to explore the Mariana Trench?
A. Because it is too hot
B. Because there are sharks everywhere
C. Because it is very deep and far below the ocean surface
D. Because it is covered in ice
C. Because it is very deep and far below the ocean surface