WorksheetsStars, Galaxies, and Universe
Total questions: 20
Worksheet time: 19mins
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 brightness of a star as it appears to an observer on Earth?
a)
Big Bang Theory
b)
Apparent Magnitude
c)
Light year
d)
Spiral Galaxy
3.
What is the distance that light can travel in one year?
a)
Light year
b)
Irregular Galaxy
c)
Supernova
d)
Quasar
4.
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
5.
What is gigantic explosion that causes the death of a massive star?
a)
Supernova
b)
Nebula
c)
Red Giant
d)
White Dwarf
6.
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
7.
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
8.
What is a large grouping of stars, dust, and gas bound together by gravity?
a)
Nebula
b)
Galaxy
c)
Cosmology
d)
Gravity
9.
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
10.
What is the study of the origin, structure, and future of the universe?
a)
Cosmology
b)
Cosmetology
c)
Astronomy
d)
Botony
11.
The Milky Way Galaxy is most likely
a)
an irregular galaxy
b)
a spiral galaxy
c)
an elliptical galaxy
d)
a nebula
12.
Which is the hottest?
a)
a red giant
b)
small, white dwarf
c)
main-sequence yellow star
d)
main-sequence blue star
13.
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
14.
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
15.
Venus appears bright in the night sky because...
a)
it has a gravitational field
b)
is the largest planet
c)
is the closest planet to Earth
d)
has a high surface temperature
16.
The sun appears brighter than other stars because
a)
it is the largest star in the universe
b)
it is the hottest star in the universe
c)
able to radiate more energy than other stars
d)
is closer to Earth than other stars
17.
Which of the following is not a type of galaxy?
a)
Irregular
b)
Triangular
c)
Spiral
d)
Elliptical
18.
The color of a star depends on its
a)
size
b)
temperature
c)
shape
d)
magnitude
19.
What color are the hottest stars?
a)
red
b)
yellow
c)
orange
d)
blue
20.
The majority of stars are in their longest phase, which is called...
a)
white dwarf
b)
H-R Diagram
c)
Red giant
d)
Main-sequence
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