THIS IS With Host... Your 100 200 300 400 500 StarsStars II Galaxies The Universe Astronomy Vocab 1.

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Stars Stars II Galaxies The Universe AstronomyVocab 1

AstronomyVocab 1

The color of a star depends on its’?

a. size.b. temperature.c. shape.d. magnitude.

A 100

b. temperature.

A 100

What can a scientist learn about a star from its’ spectrum?

a. its’ color.b. its’ size.c. its’ composition and temperature.d. its’ age.

A 200

c. Its’ composition & temperature

A 200

A 300

What color are the hottest stars?

a. red.b. orange.c. yellow.d. blue.

d. blue.

A 300

The H-R Diagram shows the relationship of a star’s surface

temperature and its’?

a. color.b. size.c. apparent magnitude.d. absolute magnitude.

A 400

d. absolute magnitude

A 400

Which of the following shows the sequence of a star’s life cycle from its earliest stage to its latest stage?

a. white dwarf, main sequence, red giant

b. main sequence, red giant, white dwarf

c. red giant, white dwarf, main sequence

d. main sequence, white dwarf, red giant

A 500

b. main sequence, red giant, white dwarf

A 500

Which of the following statements is NOT true?

a. New stars form in some nebulas.b. New stars form in a few elliptical

galaxies.c. New stars form in most globular

clusters.d. New stars form in the spiral arms of

spiral galaxies.

B 100

c. New stars form in most globular clusters

B 100

Which of the following is true?

a. New stars form from the material of old stars.

b. A star does not change its’ size or temperature during its’ life.

c. The shortest stage in a star’s life cycle is the main sequence.

d. When a star dies, none of its material returns to space.

B 200

a. New stars form from the material of old stars.

B 200

Which of the following is the hottest?

a. A red giant superstar.

b. A small white dwarf star.

c. A main-sequence yellow star.

d. A main-sequence blue star.

B 300

d. A main-sequence blue star.

B 300

What type of star has used up all of its’ hydrogen and is the leftover center of an older star?

a. Red giant

b. Supernova

c. White dwarf

d. Main sequence

B 400

c. White dwarf

B 400

What is a very bright, star-like object that generates immense energy?

a. nebulab. galaxyc. quasard. open cluster

B 500

c. quasar

B 500

All of the following are galaxies EXCEPT?

a. Spiral galaxy

b. Irregular galaxy

c. Elliptical galaxy

d. Triangular galaxy

C 100

d. Triangular galaxies

C 100

Why do scientists study distant galaxies?

a. To learn what galaxies are made of.

b. To learn what early galaxies look like.

c. To learn about space travel.

d. To learn about the speed of light.

C 200

b. To learn what early galaxies looked like.

C 200

Scientists think that the Milky Way is probably?

a. an irregular galaxy.b. an elliptical galaxy.c. a spiral galaxy.d. a nebula.

C 300

c. A spiral galaxy

C 300

C 400

Which of the following are large clouds of gas & dust?

a. A nebula

b. A galaxy

c. A neutron star

d. A globular cluster

C 400

A. A nebula

What classification do astronomers use for galaxies?

a. size.b. age.c. color.d. shape.

C 500

d. shape

C 500

What is cosmology?a. The study of the solar system.b. The study of the universe’s origin,

structure, and future.c. The study of the makeup of stars.d. The study of space travel.

D 100

b. The study of the universe’s origin, structure, and future.

D 100

Which of the following big bang theories explains how the universe began?

a. as a cloud of gases.b. as a sea of gases.c. with a small explosion.d. with a big explosion.

D 200

d. with a big explosion

D 200

Which of the following statements is true?

a. The universe is expanding outward.

b. The universe is getting smaller everyday.

c. The universe contracts and expands on a regular basis.

d. Scientists do not know if the universe is getting larger or smaller.

D 300

a. The universe is expanding outward.

D 300

How are objects organized in the universe?

a. Objects are scattered through space according to a random pattern.

b. Objects are organized according to a loosely repeated pattern and are part of a larger system.

c. Objects are organized according to a loosely repeated pattern but are not part of any other system.

d. Objects are not organized in any particular way.

D 400

b. Objects are organized according to a loosely repeated pattern and are part of a larger system.

D 400

According to the big bang theory, the universe is about?

a. 470 billion years old.b. 500 billion years old.c. 4.7 billion years old.d. 13.7 billion years old.

D 500

d. 13.7 billion years old.

D 500

Why do scientists study distant galaxies to learn about early galaxies?

a. Distant galaxies are just beginning to form, so they are very similar to early galaxies.

b. Distant galaxies share many characteristics with early galaxies.

c. Distant galaxies have not changed as much as close galaxies, so they are most similar to early galaxies.

d. Because it takes a long time for light to travel through space, looking at distant galaxies shows what early galaxies looked like.

E 100

d. Because it takes a long time for light to travel through space, looking at distant galaxies

shows what early galaxies looked like.

E 100

What can escape a black hole?

E 200

Nothing!!

E 200

What is a large grouping of stars in space?

a. galaxy.b. nebular.c. quasar.d. open cluster.

E 300

a. galaxy.

E 300

What is a tight group of stars that looks like a ball?

a. open cluster.b. globular cluster.c. quasar.d. nebula.

E 400

b. Globular cluster

E 400

What is a group of closely grouped stars?

a. open clusterb. globular clusterc. galaxyd. nebula

E 500

a. Open cluster.

E 500

What is a spinning neutron star that emits rapid pulses of radio and optical energy?

a. neutron star

b. pulsar

c. Black hole

d. supernova

F 100

b. pulsar

F 100

What is a gigantic explosion that causes the death of a large star?

a. pulsar.b. neutron star.c. black hole.d. supernova.

F 200

d. supernova

F 200

What is a star in which the electrons & protons have become neutrons?

a. pulsarb. neutron starc. black holed. White dwarf

F 300

b. Neutron star

F 300

What is a star that expands and cools once it runs out of hydrogen?

a. Supernova

b. White dwarf

c. Red giant

d. Neutron star

F 400

c. Red giant.

F 400

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