WorksheetsStars and Galaxies
Total questions: 24
Worksheet time: 22mins
Name
Class
Date
1.
What does a star's color indicate?
a)
size
b)
age
c)
temperature
d)
shape
2.
Scientists think that the Milky Way is probably _______________________.
a)
an irregular galaxy
b)
an elliptical galaxy
c)
a spiral galaxy
d)
a nebula
3.
True or False
The Sun is the biggest star in the sky.
The Sun is the biggest star in the sky.
a)
True
b)
False
4.
Why do other stars appear so much smaller than the sun?
a)
They are much smaller
b)
They are so far away
c)
They are not as bright
d)
They are dwarf stars
5.
What is the name of baby stars?
a)
Dwarf
b)
Supergiant
c)
Protostars
d)
Nebulas
6.
What is the name of the explosion at the death of a massive star?
a)
Supergiant
b)
Supernova
c)
Black Hole
d)
Nebula
7.
The color of the star tells us its
a)
composition
b)
Temperature
c)
Luminosity
d)
Mass
8.
The hottest color star is
a)
Blue
b)
White
c)
Yellow
d)
Red
9.
One light year is a...
a)
A length of time
b)
A distance
c)
A galaxy
d)
A measure of gravity
10.
What kind of galaxy is this?
a)
Ring
b)
Irregular
c)
Spiral
d)
Elliptical
11.
A __________________________ is a huge collection of stars, gases, and dust that is classified by shape.
a)
galaxy
b)
Big Bang Theory
c)
light-year
12.
Earth and the rest of the solar system are located in the galaxy ___________________.
a)
Milky Way
b)
star
c)
Andromeda
13.
A _________________________ is a sphere of very hot, burning gas.
a)
star
b)
galaxy
c)
moon
14.
........... pulls clusters of stars together in most galaxies.
a)
air
b)
Big Bang Theory
c)
gravity
15.
What are the the 3 types of galaxies?
a)
Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
b)
Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
c)
Milky Way, Elliptical Galaxies, and Spiral Galaxies
d)
Milky Way, Elliptical Galaxies, and Irregular Galaxies
16.
Is the sun a star?
a)
yes
b)
no
17.
True or False:
Star patterns are called constellations.
Star patterns are called constellations.
a)
T
b)
F
18.
A small, hot star near the end of its life is a star called a
a)
white dwarf
b)
red dwarf
c)
supergiant
d)
protostar
19.
a massive and dense object from which not even light can escape
a)
black hole
b)
supernova
c)
pulsar
d)
red giant
20.
What word best describes our sun?
a)
Average
b)
Supergiant
c)
Dwarf
d)
Red Giant
21.
To get the sun to appear bigger in our sky, how would the distance between the sun and earth have to change?
a)
Earth would have to move closer to the sun
b)
Earth would have to move farther from the sun
22.
What are stars?
a)
Rocky bodies
b)
Hot exploding balls of gas
c)
5 pointed shapes
d)
Hollywood actors
23.
All stars begin their lives as nebulae, which are huge clouds of dust and gases made mostly of what?
a)
Hydrogen and Oxygen
b)
Hydrogen and Helium
c)
Helium and Oxygen
d)
Oxygen and Iron
24.
All of the following classify galaxies except what?
a)
Elliptical
b)
Irregular
c)
Spiral
d)
Triangular
100 %
