WorksheetsAstronomy Review
Total questions: 70
Worksheet time: 35mins
Name
Class
Date
1.
Which type of galaxy is composed of mostly old stars, because it has very little gas and dust for making new stars?
a)
Elliptical
b)
Spiral
c)
Irregular
2.
What type of galaxy is shown here?
a)
Spiral
b)
Elliptical
c)
Irregular
3.
What type of galaxy is shown here?
a)
Spiral
b)
Elliptical
c)
Irregular
4.
What type of galaxy is the milky way?
a)
spiral
b)
elliptical
c)
irregular
5.
MOST stars on the HR diagram and in the universe are what type of stars?
a)
Red giants
b)
Blue giants
c)
White dwarfs
d)
Main sequence
6.
What characteristics do white dwarf stars have?
a)
hot and bright
b)
hot and dim
c)
cool and bright
d)
cool and dim
7.
What characteristics do red giants and supergiants have?
a)
hot and bright
b)
hot and dim
c)
cool and bright
d)
cool and dim
8.
What characteristics do blue giants have?
a)
hot and bright
b)
hot and dim
c)
cool and bright
d)
cool and dim
9.
Which two types of stars are main sequence stars?
a)
blue giants and red giants
b)
blue giants and red dwarfs
c)
white dwarfs and red dwarfs
d)
white dwarfs and red supergiants
10.
Where is the sun located on the HR diagram?
a)
red dwarfs
b)
main sequence
c)
red giants
d)
blue supergiants
11.
What characteristics do red dwarfs have?
a)
hot and bright
b)
hot and dim
c)
cool and bright
d)
cool and dim
12.
What does OBAFGKM mean?
a)
These are the classes of stars
b)
These are the colors of stars
c)
These are star temperatures
d)
These are star names
13.
Our sun is a very _____ star.
a)
average
b)
giant
c)
hot
d)
bright
14.
Which is the hottest class of stars?
a)
O
b)
A
c)
F
d)
G
15.
Which class includes the red stars?
a)
F
b)
G
c)
M
d)
K
16.
Which class includes the sun?
a)
G
b)
K
c)
M
d)
F
17.
Which class of stars includes the white stars?
a)
F
b)
G
c)
M
d)
A
18.
A star's color reveals its _____________
a)
temperature
b)
size
c)
luminosity
d)
name
19.
Bigger stars are much _____ than smaller stars.
a)
brighter
b)
cooler
c)
hotter
d)
prettier
20.
Which types of stars are fusing hydrogen into helium?
a)
red giants
b)
white dwarfs
c)
main sequence
d)
black holes
21.
Which types of stars are fusing larger and larger elements in the core and are essentially dying stars?
a)
red giants
b)
red dwarfs
c)
white dwarfs
d)
main sequence
22.
Small stars at the end of their life cycles will shed their outer layers, and these outer layers become:
a)
planetary nebula
b)
black hole
c)
neutron star
d)
main sequence star
23.
Large stars (but not super massive ones) at the end of their life cycle become:
a)
neutron stars
b)
black holes
c)
white dwarfs
d)
blue giants
24.
Only SUPER MASSIVE stars at the end of their life cycles become:
a)
black holes
b)
neutron stars
c)
white dwarfs
d)
spiral galaxies
25.
A cloud of dust and gas in space where stars are born and die is:
a)
galaxy
b)
nebula
c)
comet
d)
black hole
26.
A collection of gas, dust, and billions of stars is called:
a)
galaxy
b)
nebula
c)
star
d)
comet
27.
Where is the sun located in the Milky Way galaxy?
a)
On the very outside edge
b)
2/3 of the way out on an arm
c)
1/4 of the way out on an arm
d)
In the very center
28.
The HR diagram plots which two factors of stars?
a)
Luminosity and Temperature
b)
Size and Color
c)
Name and Luminosity
d)
Color and Diameter
29.
All of space and everything in it is known as:
a)
the universe
b)
the galaxy
c)
the solar system
d)
the earth
30.
True or false: our human eyes can see all of the different kinds of light in the universe.
a)
True
b)
False
31.
This telescope is:
a)
Arecibo in Puerto Rico
b)
The Very Large Array (New Mexico)
c)
The Mcdonald Observatory (Texas)
d)
The Hubble Space Telescope
32.
This telescope is:
a)
The very large array (New Mexico)
b)
Arecibo (Puerto Rico)
c)
Hubble Space Telescope
d)
Mcdonald Observatory (Texas)
33.
This telescope is:
a)
Hubble Space Telescope
b)
The very large array (New Mexico)
c)
Mcdonald Observatory (Texas)
d)
Arecibo (Puerto Rico)
34.
Which type of light has the longest wavelength?
a)
Radio
b)
Visible
c)
X-ray
d)
Infrared
35.
Which type of light shows us the heat in the universe?
a)
Visible light
b)
Infrared
c)
Microwave
d)
Radio waves
36.
A chunk of ice and dust in space orbiting the sun is called:
a)
comet
b)
meteor
c)
asteroid
d)
star
37.
A rock in space, found in a "belt" between Jupiter and Mars is called:
a)
asteroid
b)
comet
c)
meteor
d)
star
38.
A rock in space that has entered Earth's atmosphere and is now burning up is:
a)
asteroid
b)
meteor
c)
comet
d)
galaxy
39.
The distance light can travel in one year is called:
a)
light year
b)
meteor
c)
luminosity
d)
OBAFGKM
40.
The process that is occuring inside a star that produces light and heat is:
a)
fire
b)
fusion
c)
black hole
d)
galaxy
41.
Stars that do not maintain a steady luminosity and instead switch from bright to dim and back, are called:
a)
variable stars
b)
binary stars
c)
red shift
d)
spiral galaxy
42.
The most commonly accepted scientific theory that explains the formation of the universe is the:
a)
big bang theory
b)
spiral galaxy
c)
radio telescope
d)
black hole
43.
A galaxy with a black hole at its center is called:
a)
quasar
b)
galaxy
c)
Edwin Hubble
d)
nebula
44.
Which astronomer was the first to know that the Milky Way was not the only galaxy, and there are other galaxies in the universe?
a)
Edwin Hubble
b)
Isaac Newton
c)
Tim Mcgraw
d)
White dwarf
45.
The brightness of a star is known as:
a)
luminosity
b)
galaxy
c)
supernova
d)
pulsar
46.
A star that produces radio waves (most neutron stars) is called:
a)
pulsar
b)
quasar
c)
red giant
d)
comet
47.
A baby star that has not yet begun nuclear fusion is called:
a)
main sequence star
b)
protostar
c)
spiral star
d)
red giant
48.
Two stars that are orbiting each other are called:
a)
binary stars
b)
white dwarf stars
c)
orbiting dwarfs
d)
supernova
49.
A star's explosion is called:
a)
supernova
b)
black hole
c)
binary star
d)
protostar
50.
A telescope that catches radio waves from space is called:
a)
radio telescope
b)
optical telescope
c)
Hubble Space Telescope
d)
Gamma ray detector
51.
The brightness of a star as seen from Earth is:
a)
Apparent magnitude
b)
Absolute magnitude
52.
The brightness of a star that depends on how much light it produces is called:
a)
Absolute magnitude
b)
Apparent magnitude
53.
A dead star that results at the end of a Large (but not super massive) star's life is known as:
a)
neutron star
b)
galaxy
c)
quasar
d)
black hole
54.
A region in space that is so dense that not even light can escape it is called:
a)
black hole
b)
pulsar
c)
quasar
d)
neutron star
55.
A chart that shows all the different "types" of light in the universe is the:
a)
Electromagnetic spectrum
b)
HR diagram
c)
Star catalog
d)
OBAGFKM
56.
When two stars are orbiting each other and one star passes in front of the other, causing it to "blink" this is called:
a)
eclipsing binary
b)
spiral galaxy
c)
binary star
d)
radio telescope
57.
Who invented the telescope
a)
Galileo
b)
Edwin Hubble
c)
Hans Lippershey
d)
Mrs. McLaren
58.
How do we measure distances in space?
a)
Miles
b)
kilometers
c)
Light Years
d)
meters
59.
About how far away is the nearest star, Alpha Centauri?
a)
about 4 light years
b)
about 1 light year
c)
about 10 light years
d)
about 77 light years
60.
Where are stars born?
a)
nebula
b)
galaxy
c)
quasar
d)
binary star
61.
Our sun will end up as a red giant star, then it will become a ___ star.
a)
white dwarf
b)
black hole
c)
neutron star
d)
eclipsing binary
62.
True or false: someday, our sun will explode in a supernova.
a)
True
b)
False
63.
What type of galaxy is this?
a)
Spiral
b)
Irregular
c)
Elliptical
64.
Which Radio Telescope is this?
a)
Very large array
b)
Hubble space telescope
c)
Galileo's telescope
d)
Arecibo
65.
Which telescope is this?
a)
Very Large Array
b)
Arecibo
c)
Hubble Space Telescope
d)
Galileo's telescope
66.
Which telescope is this?
a)
Very Large Array
b)
Hubble Space Telescope
c)
Galieo's telescope
d)
Arecibo
67.
Which type of telescope is this?
a)
radio telescope
b)
visible light telescope
c)
infrared telescope
d)
x-ray telescope
68.
Which element is "death" to a star, signalling the end of its life cycle?
a)
Iron
b)
Nickel
c)
Sodium
d)
Carbon
69.
What occurs after a star fuses Iron in its core?
a)
It ends its life cycle ("death")
b)
It turns into a galaxy
c)
It becomes red shifted
d)
It emits radio waves
70.
What is the significance of the Hubble Ultra Deep Field image?
a)
Shows a nebula
b)
Shows billions of galaxies
c)
Shows protostar formation
d)
Shows a black hole
100 %
