The Universe

1.

1 point

Which best supports the author's opinion that we are "at the beginning of a golden age of discovery"?

the life of a red giant

planetary nebulas

telescopes and other instruments

the distance of the mood from Earth

2.

1 point

Scientists' understanding of the universe is still incomplete. The discussion in the selection of which of the following best supports this fact?

gas-and-dust disks

space pods

planetary nebulas

red giants

3.

1 point

Find the word or words with the same meaning as the word in parenthesis.
The gold mine is expected to (collapse) soon.

explode

produce

cave in

close down

4.

1 point

Based on the selection, which of the following is a generalization that readers can make about the formation and life cycle of stars?

New stars are always found at the top of nebulas.

Some stars grow at a faster rate than others.

Some stars never become red giants.

Young stars are always brighter than our sun.

5.

1 point

What was probably the author's main reason for writing this selection?

to entertain readers with a story about the universe

to persuade readers to study the universe

to express opinions about the universe

to tell readers about the universe

6.

1 point

Why does the author discuss our sun and moon at the beginning of the selection?

to explain what makes up a solar system

to show how much smaller the moon is than the sun

to give readers an idea of what distances are like in space

to impress upon readers the usefulness of telescopes

7.

1 point

Write the plural form of the noun.

knife

8.

1 point

Find the word or words with the same meaning as the word in parenthesis.
Dr. Tyler is a world-famous (astronomer).

expert in the science of the universe

expert in biological science

expert in the science of the oceans

expert in earth sciences

9.

1 point

What does a gas-and-dust disk indicate to scientists?

the probable number of solar systems in the universe

the birth of an ever-greater number of stars

the relatively small size of our own solar system

the possible formation of a solar system

10.

1 point

Find the word or words with the same meaning as the word in parenthesis.
Recently, scientists discovered another (galaxy).

pair of quasars

cluster of planets

system of stars

groups of nebulas

11.

1 point

Which of the following is true of a red giant?

It is formed from a planetary disk.

It creates a planetary nebula.

It has a comet-like tail.

It is formed at the top of a nebula.

12.

1 point

Find the word or words with the same meaning as the word in parenthesis.
(Particles) of rock are found in the ash from volcanoes.

colorful pieces

long pieces

jagged pieces

small pieces

13.

1 point

Find the word or words with the same meaning as the word in parenthesis.
The soil in the valley is (compact).

dense

thin

shrinking

exposed

14.

1 point

Readers can conclude from the selection that

the number of planets in our solar system is larger than in others.

scientists have discovered all the stars in our galaxy.

a nebula always indicates the presence of a red giant.

discovering other solar systems required more advanced instruments.

15.

1 point

Write the plural form of the noun.

sister-in-law

16.

1 point

Find the word or words with the same meaning as the word in parenthesis.
The two boys on red rollerblades are going to (collide).

crash

tumble

somersault

compete

17.

1 point

The photographs in the selection help readers to

picture information.

draw conclusions.

make generalizations.

compare and contrast.

18.

1 point

Write the plural form of the noun.

city

19.

1 point

Write the plural form of the noun.

tomato

20.

1 point

Which best states the author's feelings about exploring the universe?

Exploring the universe will be both beneficial and harmful.

We have solved many of the mysteries of the universe.

The universe is not too complex to understand.

Fantastic discoveries await our exploration of the universe.