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WorksheetsGalaxies
Total questions: 42
Worksheet time: 31mins
Name
Class
Date
1.
What is the system called that is used to classify galaxies?
a)
Hubble's Classification System
b)
New General Catalog
c)
Messier's Classification System
d)
Galaxy Classification System
2.
A group of stars that form a galaxy is called what?
a)
cluster
b)
planet
c)
universe
d)
gravity
3.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
4.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
5.
The Milky Way Galaxy is a
a)
spiral
b)
lenticular
c)
elliptical
d)
irregular
6.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
7.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
8.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
9.
What is not a galaxy?
a)
Optical Galaxy
b)
Spiral Galaxy
c)
Elliptical Galaxy
d)
Irregular Galaxy
10.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
11.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
12.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
13.
Our sun is located on one of the Spiral Galaxy arms.
a)
True
b)
False
14.
The most abundant type of galaxy in the universe is an...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
15.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
16.
The type of galaxy that is the leftovers of two colliding galaxies is called the...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
Constellation Galaxy
17.
The type of galaxy that is composed of the older stars and low-mass stars.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
18.
What type of galaxy has no defined pattern or shape?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
19.
All existing matter and space considered as a whole is called what?
a)
Galaxy
b)
Planet
c)
Universe
d)
Milky Way
20.
The type of galaxy with the LEAST mass is a/n
a)
elliptical galaxy
b)
spiral galaxy
c)
irregular galaxy
d)
barred spiral galaxy
21.
The type of galaxy that has few young stars, little gas or dust, and NO arms is a/n
a)
elliptical galaxy
b)
spiral galaxy
c)
irregular galaxy
d)
barred spiral galaxy
22.
pulls clusters of stars together in most galaxies.
a)
air
b)
Big Bang Theory
c)
gravity
d)
dark energy
23.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
24.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
25.
All of the following are major types of galaxies except a(n)
a)
spiral
b)
irregular
c)
elliptical
d)
triangular
26.
Open clusters are found
a)
along disks of spiral galaxies
b)
the spherical halo surrounding spiral galaxaies
c)
the center bulge of galaxies
d)
the core of most galaxies
27.
Why do scientists study distant galaxies?
a)
to learn what their made of
b)
to learn what early galaxies look like
c)
to learn about space travel
d)
to learn abpout the speed of light
28.
a collection of billions of stars, dust, and gas bound together by gravity
a)
nebula
b)
galaxy
c)
quasar
d)
open cluster
29.
a groiup of 100 to 1,000 closely grouped stars
a)
open cluster
b)
globular cluster
c)
quasar
d)
nebula
30.
a concentrated group of up to a million stars that looks like a ball
a)
open cluster
b)
globular cluster
c)
quasar
d)
galaxy
31.
The three main parts of a spiral galaxy include all of the following, EXCEPT...
a)
The central bulge
b)
The halo
c)
The arms
d)
The disk
32.
The Milky Way is approximately twice as old as the Solar System.
a)
True
b)
False
33.
a starlike source of energy located in the center of a galaxy
a)
open cluster
b)
quasar
c)
nebula
d)
asteroid
34.
When will the Milky Way and Andromeda collide?
a)
It's happening now.
b)
In 1 billion years from now
c)
In 5 billion years from now
d)
It will never happen.
35.
The name of our galactic cluster is "The Local Group".
a)
True
b)
False
36.
How many galaxies belong to the Local Group?
a)
Three
b)
About a dozen
c)
Around 30
d)
Hundreds
37.
The largest galaxy in the Local Group is...
a)
Triangulum
b)
The Milky Way
c)
Canis Major
d)
Andromeda
38.
The three largest galaxies in the Local Group include all of the following EXCEPT...
a)
Triangulum
b)
The Milky Way
c)
Canis Major
d)
Andromeda
39.
Which of the following galaxies is closest to the Milky Way?
a)
Triangulum
b)
The Milky Way
c)
Canis Major
d)
Andromeda
40.
The Local Group will eventually collide with another nearby cluster of galaxies called The Virgo Cluster.
a)
True
b)
False
41.
The universe is expanding.
a)
True
b)
False
42.
How are galaxies moving away from each other?
a)
Spacetime between them is stretching
b)
Hubble's Law is causing further galaxies to travel away at a faster rate
c)
Gravitational collapse is pulling clusters together
d)
The movement of the galaxies is random
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