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WorksheetsUniverse Study Review
Total questions: 42
Worksheet time: 24mins
Name
Class
Date
1.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
2.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
3.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
4.
A light year is...
a)
The speed light travels
b)
How long it takes light to get to you from the sun
c)
The distance light can travel in a year
d)
How many years it takes light to be emitted
5.
Which star has the lowest luminosity?
a)
A
b)
B
c)
C
d)
D
6.
Which term describes a group of stars?
a)
planet
b)
galaxy
c)
universe
d)
solar system
7.
Space exploration has advanced our knowledge of the universe. Which space journey would take the longest?
a)
a journey from Earth to the sun
b)
a journey from Earth to the moon
c)
a journey from Earth to a star in the constellation Centaurus
d)
a journey from Earth to the farthest planet in our solar system Neptune
8.
Sergio joins the astronomy club. During a trip to the observatory, the members of the astronomy club observe several different stars. Sergio records information about some of the stars in her journal. Of the following four stars, which star should Sergio label as the hottest?
a)
Wolf, red
b)
Ceti, yellow
c)
Cygni B, orange
d)
Vega, blue-white
9.
An astronomer uses a telescope to observe a star. She observes that the color of this star is similar to the color of the sun. Therefore, she infers that the star and the sun have similar sizes and surface temperatures. Using this information, what can the astronomer conclude about the star?
a)
The star is a white dwarf.
b)
The star is medium sized.
c)
The star is hotter than most other stars in our galaxy.
d)
The star is brighter than most other stars in our galaxy.
10.
The sun is much larger than the moon. However, as viewed from Earth, the sun and moon appear to be the same size. Why do the sun and moon appear to be the same size when viewed from Earth?
a)
The moon is much hotter than the sun is.
b)
The moon is much denser than the sun is.
c)
The moon is much brighter than the sun is.
d)
The moon is much closer to Earth than the sun is.
11.
One way to compare the objects of space is by their relative sizes. Which of the following is larger than a galaxy?
a)
a star
b)
a planet
c)
the universe
d)
a solar system
12.
Which of the following pairs of terms relates to the actual brightness of a star?
a)
absolute magnitude and luminosity
b)
apparent magnitude and luminosity
c)
size and luminosity
d)
absolute magnitude and apparent magnitude
13.
Which of the following correctly lists the objects of space in order from largest to smallest?
a)
universe, galaxy, star, planet
b)
universe, galaxy, planet, star
c)
galaxy, universe, star, planet
d)
galaxy, universe, planet, star
14.
A galaxy is a large collection of stars, gas, and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?
a)
heat
b)
light
c)
gravity
d)
friction
15.
Which element makes up most of the sun's mass?
a)
carbon
b)
neon
c)
oxygen
d)
hydrogen
16.
What characteristics of stars is measured by luminosity?
a)
brightness
b)
size
c)
temperature
d)
distance from Earth
17.
According to this Hertzsprung-Russell Diagram which stars are brightest?
a)
Purple
b)
Red
c)
Blue
d)
Yellow
18.
Black Holes are thought to be remnants of ______________ explosion.
a)
Death Star
b)
The Big Bang Theory
c)
Supernova
d)
Planetary Nebula
19.
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
20.
Huge clouds of dust and gas are called
a)
Star
b)
Nebulae
c)
Neutron Star
d)
Comets
21.
Which stars have the highest surface temperature?
a)
Yellow
b)
Red
c)
Blue
d)
Orange
22.
Betelgeuse is classified as a ____________ star.
a)
Supergiant
b)
Giant
c)
White Dwarf
d)
Main Sequence
23.
Our Sun is a ______________ star.
a)
Blue
b)
Main Sequence
c)
Yellow
d)
Orange
24.
Which type of stars belong in spectral class K and have the lowest luminosity?
a)
White Dwarf
b)
Giants
c)
Main Sequence
d)
Supergiants
25.
The stars with the lowest temperature are ________________.
a)
Orange
b)
Red
c)
Blue
d)
White
26.
A massive star could become a ______.
a)
Neutron Star
b)
Red Giant
c)
White Dwarf
d)
Average Star
27.
What color are the brightest stars on the main sequence?
a)
Red
b)
Yellow
c)
Blue
d)
White
28.
Space and all the matter and energy in it.
a)
Space
b)
Solar System
c)
Universe
d)
Sun
29.
A large celestial body that is composed of gas and that emits light.
a)
star
b)
black hole
c)
element
d)
big bang
30.
A large cloud of gas and dust in interstellar space; a region in Space where stars are born.
a)
Protostar
b)
Nebula
c)
Galaxy
d)
Star
31.
A small, hot, dim star that is the leftover center of an old sunlike star
a)
Red Dwarf
b)
White Dwarf
c)
Main Sequence
d)
Giant
32.
A gigantic explosion in which a massive star collapses and throws its outer layers into space.
a)
Black Hole
b)
Supernova
c)
Neutron Star
d)
Nebula
33.
The most commonly accepted theory that explains the beginning of our known universe is the -
a)
Theory of Evolution
b)
Big Bang Theory
c)
Cell Theory
d)
Blackhole theory
34.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe started as a point, expanded, and will return to a point
35.
In the diagram given, what happens as we move to the left?
a)
Stars get larger
b)
Stars get colder
c)
Stars get hotter
d)
Stars get smaller
36.
. Which of the following ends its life cycle in the form of a neutron star or a black hole?
a)
a high-mass star
b)
a low-mass star
c)
a galaxy
d)
a constellation
37.
The diagram shows a particular process.
Which of the following best describe this process?
Which of the following best describe this process?
a)
the birth of a star
b)
the birth of a universe
c)
the life cycle of a low-mass star
d)
the life cycle of a high-mass star
38.
The diagram represents spectral data from three different galaxies.
What do the shifts in the spectral lines of distant galaxies indicate about the galaxies?
What do the shifts in the spectral lines of distant galaxies indicate about the galaxies?
a)
the spectral lines shift toward the red end of the spectrum
b)
the spectral lines shift toward the blue end of spectrum
39.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
40.
Which of the following star remnants is the least massive?
a)
White Dwarf
b)
Neuton Star
c)
Black Hole
41.
What are electromagnetic waves?
a)
sound waves
b)
energy that travels through space very quickly
c)
the best ones for surfing
d)
things like longitudinal waves
42.
In relation to us, most galaxies are…
a)
moving toward us
b)
moving away from us
c)
not moving
d)
much smaller
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