Black Holes

1.

4 points

It is impossible to make a piece of a black hole here on Earth.

Correct Inference

Faulty Inference

2.

4 points

Then, at the end of its lifespan, a bizarre thing happened.
Which word is a synonym for "bizarre"?

ordinary

weird

comical

3.

4 points

Which statement below is too general, or too broad?

No one has actually seen a black hole because no light can escape from one.

Outer space is filled with strange and wonderful phenomena that scientists do not fully understand.

Black holes are strange, extremely dense objects whose existence scientists can only guess about.

4.

4 points

All stars form black holes when they die.

Correct Inference

Faulty Inference

5.

4 points

When it emerged on the other side, it would hover in the air for a moment and then plunge back through Earth.
Which of the following words is an antonym for "hover"?

sink below

float

explode

6.

4 points

A falling flowerpot would be a lethal weapon.
Which word is a synonym for "lethal"?

deadly

illegal

harmless

7.

4 points

Of the following theme categories, which would this story fit into?

Fact is stranger than fiction.

humankind's insignificance in the universe

the limitations of science

8.

4 points

There is no air to breathe in a black hole.

Faulty Inference

Correct Inference

9.

4 points

Which of the following statements from the article best describes black holes?

"Black holes are the most bizarre objects in the universe."

"A black hole is a small area of matter so dense that not even a light beam can escape the pull of its gravity."

"To think about black holes means to throw out all our old ideas about time, space, and travel."

10.

4 points

Light is the last thing to be affected by the pull of gravity.

Faulty Inference

Correct Inference

11.

4 points

Were you to survive the trip, however, some scientists believe you would emerge in the fourth dimension.
Which of the following words is a synonym for "emerge"?

go back

come out

die

12.

4 points

A black hole results from the death of a

sun like our own.

blazing comet.

giant star.

13.

4 points

How is the author's purpose for writing the article expressed in paragraph 8?

The author uses humor, facts, and a quotation to inform the reader about the strange qualities of a black hole.

The author describes what a trip to a black hole would be like.

The author uses facts about black holes to create a frightening mood.

14.

4 points

Which statement below is too narrow, or explains only part of the article?

Black holes are strange, extremely dense objects whose existence scientists can only guess about.

No one has actually seen a black hole because no light can escape from one.

Outer space is filled with strange and wonderful phenomena that scientists do not fully understand.

15.

4 points

Gravity in a black hole is

a hundred times that of Earth.

twice that of Earth.

so great that even light can't escape.

16.

4 points

What does the author imply by saying, "A penny made from black hole matter would rip through your pocket and plunge through the earth with the greatest of ease"?

A black hole would destroy Earth in a matter of seconds.

Even a small amount of black hole matter is so dense and heavy that no human can hold it.

Earth's gravity exerts a very strong pull on black hole matter.

17.

4 points

From the article you can predict that if a spaceship suddenly encountered a black hole in outer space,

the passengers would enter the distant future.

the passengers onboard the ship would be killed instantly.

the passengers would emerge in the fourth dimension.

18.

4 points

Improved photography will soon allow us to see a black hole.

Correct Inference

Faulty Inference

19.

4 points

Some scientists believe that black holes may someday

be used as relay stations for space travel.

serve as time machines.

turn into white holes.

20.

4 points

Black hole matter the size of a marble

weighs as much as a mountain.

would sink several feet into the ground.

takes two people to lift.

21.

4 points

A trip into a black hole would

pull a person apart.

take four years to complete.

result in a slow, painful death.

22.

4 points

The author uses the first sentence of the article to

inform the reader about our own sun.

compare a star to our own sun.

entertain the reader with amazing facts about black holes.

23.

4 points

What causes a ball thrown into the air to fall back to the ground?

A black hole pulls the object back to Earth.

A white hole pulls the object back to Earth.

Gravity pulls the object back to Earth.

24.

4 points

Which statement below expresses the main idea of the article?

Outer space is filled with strange and wonderful phenomena that scientists do not fully understand.

No one has actually seen a black hole because no light can escape from one.

Black holes are strange, extremely dense objects whose existence scientists can only guess about.

25.

4 points

Very strong x-rays are emitted from invisible objects.
Which word is an antonym for "emitted"?

withheld

studied

given out