WorksheetsUniverse Review
Total questions: 40
Worksheet time: 1hrs 20mins
Name
Class
Date
1.
Which word(s) describes all of the space and everything in it?
a)
galaxy
b)
planet
c)
universe
d)
HR Diagram
2.
According to this Hertzsprung-Russell Diagram which stars, in the main sequence, are the brightest?
a)
White
b)
Red
c)
Blue
d)
Yellow
3.
Black Holes are thought to be remnants (remains) of a ______________ explosion.
a)
Death Star
b)
The Big Bang Theory
c)
Supernova
d)
Planetary Nebula
4.
The color of a star depends on the temperature. Which one lists the colors in order based on decreasing temperature?
a)
Red, Yellow, White, Blue
b)
Red, Yellow, Red, Yellow
c)
Blue, White, Yellow, Red
d)
Blue, Red, White, Yellow
5.
The shape of our Milky Way galaxy can be classified as a(an) ____________.
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
French Galaxy
6.
The Sun's position in the Milky Way galaxy is on/in the _______.
a)
Center (in the black hole)
b)
Edge (tip of an arm)
c)
Arm (about 2/3 from the center)
d)
Outside (not in the galaxy)
7.
Huge clouds of dust and gas are called _________.
a)
Protostar
b)
Nebula
c)
Neutron Star
d)
Comets
8.
What is a light year?
a)
A unit of time
b)
The amount of time light takes to travel in one year.
c)
10 thousand meters
d)
How far light travels in one year.
9.
Which stars have the highest surface temperature?
a)
Yellow
b)
Red
c)
Blue
d)
Orange
10.
Betelgeuse is classified as a ____________ star.
a)
Supergiant
b)
Giant
c)
White Dwarf
d)
Main Sequence
11.
Our Sun is currently a ______________ star.
a)
medium, White Dwarf
b)
medium, Main Sequence
c)
medium, Giant
d)
medium, Supergiant
12.
The stars with the lowest temperature are ________________.
a)
Orange
b)
Red
c)
Blue
d)
White
13.
Luminosity measures a star's _____________________.
a)
Color
b)
Temperature
c)
Brightness
d)
Size
14.
What information can the Electromagnetic Spectrum help you obtain from stars?
a)
Distance
b)
Temperature
c)
Types of Elements
d)
All of them.
15.
A massive star could become a ______.
a)
Neutron Star
b)
Red Giant
c)
White Dwarf
d)
Average Star
16.
A huge collection of stars is considered as a _________________.
a)
Universe
b)
Galaxy
c)
Movie
d)
Nebula
17.
Which type of galaxy has the highest percentage of old stars?
a)
Elliptical Galaxy
b)
Irregular Galaxy
c)
Spiral Galaxy
d)
Hollywood
18.
According to this Hertzsprung-Russell Diagram which stars, in the main sequence, are the dimmest?
a)
Red
b)
Yellow
c)
Blue
d)
White
19.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
20.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
21.
Which star has the lowest luminosity?
a)
A
b)
B
c)
C
d)
D
22.
The brightness of a star as seen from Earth describes which term?
a)
parallax
b)
apparent magnitude
c)
absolute magnitude
d)
spectrum
23.
What is the name of a massive and dense object from which not even light can escape?
a)
black hole
b)
supernova
c)
pulsar
d)
red giant
24.
A ________________ is a gigantic explosion of a large star.
a)
pulsar
b)
red giant
c)
supernova
d)
black hole
25.
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
26.
Although the Earth is about 93 million miles from the Sun, the light from this star takes about _____ to reach us.
a)
8 hours
b)
8 days
c)
8 minutes
d)
8 years
27.
Which statement list the star's surface temp. from coolest to hottest?
a)
blue, white, red, orange, yellow
b)
white, yellow, orange, red, blue
c)
orange, yellow, blue white, red
d)
red, orange, yellow, white, blue
28.
What do we use to organize the temperature and brightness of stars?
a)
Color
b)
The star's shape
c)
H-R Diagram
d)
star maps
29.
The only objects in our Universe that produce and emit its own light are ___________.
a)
Nebulas
b)
Comets
c)
Planets
d)
Stars
30.
Is the sun a star?
a)
yes
b)
no
31.
What is the MAIN element in a stars composition?
a)
Hydrogen
b)
Helium
c)
Lithium
d)
Oxygen
32.
What type of galaxy is this?
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
Irrational Galaxy
33.
What type of galaxy is this?
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
Irrational Galaxy
34.
What type of galaxy is this?
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
d)
Irrational Galaxy
35.
Which section of the spectrum is the ONLY one we can see with our eyes?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
36.
Why can't we see the entire Milky Way from Earth?
a)
Because we are a part of the Milky Way
b)
Because it is too tiny
c)
Because it is too far away from our galaxy
d)
Because it is only a black hole
37.
Which one has the greatest mass/size?
a)
planet
b)
galaxy
c)
universe
d)
star
38.
Which one has the smallest mass/size?
a)
planet
b)
galaxy
c)
universe
d)
star
39.
What are spectroscopes used for?
a)
To help scientists detect sound.
b)
To help scientists determine what stars are made of.
c)
To help scientists look at the color of the stars.
d)
To help scientists study the moon, only.
40.
What is the next phase for the sun after it leaves the main sequence?
a)
white dwarf
b)
red supergiant
c)
black hole
d)
red giant
100 %
