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stars and galaxies in universe

Total questions: 28

Worksheet time: 25mins

Name
Class
Date
1.
What is the theory that states the universe began with a huge explosion?
a)
Apparent Magnitude
b)
Light year
c)
Big Bang Theory
d)
Galaxy
2.
What is the distance that light can travel in one year? 
a)
Light year
b)
Irregular Galaxy
c)
Supernova
d)
Quasar 
3.
What is a small, hot, dim star that is the leftover center of an old star?
a)
Spiral Galaxy
b)
Supernova
c)
White Dwarf
d)
Black Hole
4.
What is gigantic explosion that causes the death of a massive star?
a)
Supernova
b)
Nebula
c)
Red Giant
d)
White Dwarf
5.
What is a spinning neutron star that emits rapid pulses of radio and optical energy?
a)
Elliptical Galaxy
b)
Neutron Star
c)
Globular Cluster
d)
Pulsar
6.
What is an object that is so massive and dense that even light can not escape its gravity?
a)
Main-sequence
b)
black hole
c)
Apparent Magnitude
d)
Comet
7.
What is a large grouping of stars, dust, and gas bound together by gravity?
a)
Nebula
b)
Galaxy
c)
Cosmology
d)
Gravity
8.
What is a large cloud of dust and gas where new stars are formed or stars explode?
a)
quasar
b)
black hold
c)
supernova
d)
nebula
9.
The Milky Way Galaxy is most likely 
a)
an irregular galaxy
b)
a spiral galaxy
c)
an elliptical galaxy
d)
a nebula
10.
Which is the hottest?
a)
a red giant
b)
small, white dwarf
c)
main-sequence yellow star
d)
main-sequence blue star
11.
A student notices that the moon looks larger than the stars.  Why?
a)
The moon is reflecting light from the sun
b)
The moon is closer to Earth then the stars
c)
The moon is much larger than the stars
d)
The moon is much larger than Earth
12.
Which shows the correct sequence of a star's life cycle?
a)
main sequence, red giant, white dwarf
b)
main sequence, white dwarf, red giant
13.
Which of the following is not a type of galaxy?
a)
Irregular
b)
Triangular
c)
Spiral
d)
Elliptical 
14.
The color of a star depends on its
a)
size
b)
temperature
c)
shape
d)
magnitude
15.
What color are the hottest stars?
a)
red
b)
yellow
c)
orange
d)
blue
16.

What are patterns of stars in the sky called?

a)

Galaxies

b)

Constellations

c)

Star Systems

d)

Comets

17.

What stage comes after a supergiant?

a)

Protostar

b)

Pulsar

c)

Supernova

d)

Black hole

18.

What keeps star clusters/galaxies together?

a)

Black Matter

b)

Planets

c)

Nebula

d)

Gravity

19.

What is a star's life cycle determined by?

a)

the mass

b)

the name

c)

the shape

d)

the color

20.

What is a huge group of solar systems, dust, and gas held together by gravity?

a)

protostar

b)

nebula

c)

black hole

d)

galaxy

21.

Astronomers think that in the future the universe will continue to

a)

Shrink

b)

Expand

c)

Explode

d)

Collapse

22.

What does a light year measure?

a)

Temperature

b)

Distance

c)

Brightness

23.

A(n) ___________ galaxy looks like a round or flattened ball.

a)

Elliptical

b)

Irregular

c)

Spiral

24.

Black Holes can only be made from red giants.

a)

True

b)

False

25.

A star's apparent brightness is the star's brightness as seen from earth.

a)

True

b)

False

26.

When a Super-Giant dies the next phase is a Supernova

a)

True

b)

False

27.

The Milky Way is a Spiral Galaxy

a)

True

b)

False

28.

The coolest stars are blue in color

a)

True

b)

False

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