WorksheetsUniverse
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
According to this Hertzsprung-Russell Diagram which stars are brightest?
a)
Purple
b)
Red
c)
Blue
d)
Yellow
2.
Black Holes are thought to be remnants of ______________ explosion.
a)
Death Star
b)
The Big Bang Theory
c)
Supernova
d)
Planetary Nebula
3.
Hertzsprung-Russell Diagram shows the correct order of decreasing surface temp for stars is?
a)
Red, Yellow, White, Blue
b)
Red, Yellow, Red, Yellow
c)
Blue, White, Yellow, Red
d)
Blue, Red, White, Yellow
4.
The shape of our Milky Way galaxy can be classified as ____________.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
French
5.
The Sun's position in the Milky Way galaxy is on the _______ of a spiral away from the center.Skip
17
17
a)
Center
b)
Edge
c)
Middle
d)
Outside
6.
Huge clouds of dust and gas are called
a)
Star
b)
Nebulae
c)
Neutron Star
d)
Comets
7.
What is a light year?
a)
A unit of time
b)
The time light takes to travel though a vacuum in one year.
c)
10 thousand meters
d)
How far light travels through the vacuum in one year.
8.
Which stars have the highest surface temperature?
a)
Yellow
b)
Red
c)
Blue
d)
Orange
9.
Betelgeuse is classified as a ____________ star.
a)
Supergiant
b)
Giant
c)
White Dwarf
d)
Main Sequence
10.
Our Sun is a ______________ star.
a)
Blue
b)
Main Sequence
c)
Yellow
d)
Orange
11.
Which type of stars belong in spectral class K and have the lowest luminosity?
a)
White Dwarf
b)
Giants
c)
Main Sequence
d)
Supergiants
12.
The stars with the lowest temperature are ________________.
a)
Orange
b)
Red
c)
Blue
d)
White
13.
What property of a light wave changes to cause a blue or red shift?
a)
Trough
b)
Amplitude
c)
Wavelength
d)
Speed
14.
Luminosity measures a star's _____________________.
a)
Color
b)
Temperature
c)
Brightness
15.
What information can the Electromagnetic Spectrum help you obtain from stars?
a)
Distance
b)
Temperature
c)
Chemical Composition
d)
All of them.
16.
A massive star could become a ______.
a)
Neutron Star
b)
Red Giant
c)
White Dwarf
d)
Average Star
17.
A huge collection of stars is a?
a)
Universe
b)
Galaxy
c)
Movie
d)
Nebulae
18.
Scientist that believe in the Big Bang Theory think that the universe was once much ____________.
a)
smaller and cooler
b)
brighter and larger
c)
heavier and darker
d)
denser and hotter
19.
Which type of galaxy has the highest percentage of old stars?
a)
Elliptical
b)
Irregular
c)
Spiral
d)
Hollywood
20.
What color are the brightest stars on the main sequence?
a)
Red
b)
Yellow
c)
Blue
d)
White
100 %
