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WorksheetsScience Form 2_Chap 11 Stars & Galaxies in the Universe
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
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
2.
What is gigantic explosion that causes the death of a massive star?
a)
Supernova
b)
Nebula
c)
Red Giant
d)
White Dwarf
3.
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
4.
What is a large grouping of stars, dust, and gas bound together by gravity?
a)
Nebula
b)
Galaxy
c)
Cosmology
d)
Gravity
5.
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
6.
The Milky Way Galaxy is most likely
a)
an irregular galaxy
b)
a spiral galaxy
c)
an elliptical galaxy
d)
a nebula
7.
Which is the hottest?
a)
a red giant
b)
small, white dwarf
c)
main-sequence yellow star
d)
main-sequence blue star
8.
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
9.
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
10.
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
11.
The color of a star depends on its
a)
size
b)
temperature
c)
shape
d)
magnitude
12.
What color are the hottest stars?
a)
red
b)
yellow
c)
orange
d)
blue
13.
What stage comes after a supergiant?
a)
Protostar
b)
Pulsar
c)
Supernova
d)
Black hole
14.
What is a huge group of solar systems, dust, and gas held together by gravity?
a)
protostar
b)
nebula
c)
black hole
d)
galaxy
15.
The coolest stars are blue in color
a)
True
b)
False
16.
Scientists think that the Milky Way probably is
a)
a spiral galaxy
b)
an elliptical galaxy
c)
an irregular galaxy
d)
a nebula
17.
What are the three major types of galaxies identified by Edwin Hubble?
a)
spiral, triangular, irregular
b)
spiral, elliptical, irregular
c)
spiral, triangular, elliptical
d)
triangular, elliptical, irregular
18.
What type of galaxy is Galaxy Y
a)
Spiral
b)
Irregular
c)
Elliptical
19.
What layer of a star does nuclear fusion take place
a)
The photosphere
b)
The radiation zone
c)
The convection zone
d)
The core
20.
Our solar system is located __________ of the Milky Way.
a)
in the center
b)
on the edge
c)
outside
d)
1 million miles out
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