WorksheetsThe Universe and Stars
Total questions: 58
Worksheet time: 38mins
Name
Class
Date
1.
What is the theory that states the universe began with a huge explosion?
a)
Apparent Magnitude
b)
Light year
c)
Big Bang Theory
d)
Galaxy
2.
What is the brightness of a star as it appears to an observer on Earth?
a)
Big Bang Theory
b)
Apparent Magnitude
c)
Light year
d)
Spiral Galaxy
3.
What is the distance that light can travel in one year?
a)
Light year
b)
Irregular Galaxy
c)
Supernova
d)
Quasar
4.
What is a small, hot, dim star that is the leftover center of an old star?
a)
Spiral Galaxy
b)
Supernova
c)
White Dwarf
d)
Black Hole
5.
What is gigantic explosion that causes the death of a massive star?
a)
Supernova
b)
Nebula
c)
Red Giant
d)
White Dwarf
6.
What is a spinning neutron star that emits rapid pulses of radio and optical energy?
a)
Elliptical Galaxy
b)
Neutron Star
c)
Globular Cluster
d)
Pulsar
7.
What is an object that is so massive and dense that even light can not escape its gravity?
a)
Main-sequence
b)
black hole
c)
Apparent Magnitude
d)
Comet
8.
What is a large grouping of stars, dust, and gas bound together by gravity?
a)
Nebula
b)
Galaxy
c)
Cosmology
d)
Gravity
9.
What is a large cloud of dust and gas where new stars are formed or stars explode?
a)
quasar
b)
black hold
c)
supernova
d)
nebula
10.
The Milky Way Galaxy is most likely
a)
an irregular galaxy
b)
a spiral galaxy
c)
an elliptical galaxy
d)
a nebula
11.
Which is the hottest?
a)
a red giant
b)
small, white dwarf
c)
main-sequence yellow star
d)
main-sequence blue star
12.
A student notices that the moon looks larger than the stars. Why?
a)
The moon is reflecting light from the sun
b)
The moon is closer to Earth then the stars
c)
The moon is much larger than the stars
d)
The moon is much larger than Earth
13.
Which shows the correct sequence of a star's life cycle?
a)
main sequence, red giant, white dwarf
b)
main sequence, white dwarf, red giant
14.
Venus appears bright in the night sky because...
a)
it has a gravitational field
b)
is the largest planet
c)
is the closest planet to Earth
d)
has a high surface temperature
15.
Which of the following is not a type of galaxy?
a)
Irregular
b)
Triangular
c)
Spiral
d)
Elliptical
16.
The color of a star depends on its
a)
size
b)
temperature
c)
shape
d)
magnitude
17.
What color are the hottest stars?
a)
red
b)
yellow
c)
orange
d)
blue
18.
The majority of stars are in their longest phase, which is called...
a)
white dwarf
b)
H-R Diagram
c)
Red giant
d)
Main-sequence
19.
A supernova is the explosion of a dying:
a)
medium-mass star
b)
high-mass star
c)
protostar
d)
low-mass star
20.
According to Hubble's law, the farther away a galaxy is:
a)
the faster it is moving toward us
b)
the slower it is moving toward us
c)
the slower it is moving away from us
d)
the faster it is moving away from us
21.
What type of star is the Sun?
a)
Red giant
b)
White dwarf
c)
Red supergiant
d)
Main sequence
22.
The HR diagram classifies stars based on their surface temperature and their:
a)
color
b)
diameter
c)
distance from Earth
d)
absolute brightness
23.
When did the big bang occur?
a)
5 million years ago
b)
4.6 billion years ago
c)
13.8 billion years ago
d)
100 billion years ago
24.
What determines if a star becomes a white dwarf, neutron star, or a black hole?
a)
Its age
b)
Its mass
c)
Its brightness
d)
Its temperature
25.
What color are the coolest stars?
a)
blue-white
b)
yellow
c)
orange
d)
red
26.
What is a light-year?
a)
distance between two stars
b)
distance light travels in one year
c)
the time it takes light to travel 300,000,000 meters
d)
the time it takes light to travel to Earth from the Sun
27.
Which of the following is part of the EM spectrum?
a)
X-rays
b)
Radio Waves
c)
Visible light
d)
All of the above
28.
Which correctly orders the items from smallest to largest?
a)
Universe, Galaxy, Star Cluster, Star
b)
Star, Star Cluster, Universe, Galaxy
c)
Star, Star Cluster, Galaxy, Universe
d)
Star, Galaxy, Star Cluster, Universe
29.
The surface temperature of main sequence stars increases as the
a)
diameter increases
b)
diameter decreases
c)
absolute brightness increases
d)
absolute brightness decreases
30.
A star is born when
a)
a protostar begins to cool
b)
a nebula expands
c)
helium and oxygen combine
d)
nuclear fusion starts
31.
Where is the Sun found in our GALAXY?
a)
the center
b)
near the center
c)
outside of the galaxy
d)
in one of the arms
32.
What characteristic about the star can a scientist determine by analyzing it's spectral pattern?
a)
Color
b)
Brightness
c)
Composition
d)
Temperature
33.
The layer of the sun that is seen from Earth and blocks all other layers
a)
Core
b)
Corona
c)
Photosphere
d)
Prominence
34.
What protects Earth from solar winds?
a)
The poles
b)
The moon's gravity
c)
The magnetic field and the atmosphere
d)
The tidal range
35.
What kind of waves that are mostly used in communication on Earth can be interrupted by solar flares?
a)
radio
b)
ultraviolet
c)
gamma
d)
infrared
36.
What causes aurora borealis or northern lights?
a)
The Corona
b)
Prominences
c)
Sunspots
d)
Solar Flares
37.
What are large loops on the surface of the sun that release a large amount of energy?
a)
Corona
b)
Photosphere
c)
Sunspiots
d)
Prominences
38.
What are dark areas on the surface of the sun that are cooler than the surrounding area?
a)
Prominences
b)
Sunspots
c)
Corona
d)
Solar Flares
39.
The sun converts matter into energy in the
a)
corona.
b)
radiative zone
c)
convection zone
d)
core
40.
Most of the sun’s energy is a result of
a)
nuclear fusion
b)
nuclear fission
c)
atomic reactions
d)
coronal mass ejection
41.
Sunspots vary in a cycle that lasts about
a)
110 yrs
b)
11,000 yrs
c)
11 yrs
d)
110,000 yrs
42.
What is the hottest layer of the sun’s atmosphere called?
a)
convective zone
b)
corona
c)
radiative zone
d)
photosphere
43.
What elements make up most of the sun’s mass?
a)
carbon and oxygen
b)
carbon and hydrogen
c)
helium and nitrogen
d)
hydrogen and helium
44.
Scientists break up the sun’s light into a spectrum using a device called a
a)
corona
b)
spectrograph
c)
positron
d)
chromograph
45.
Label part 1
a)
#1 Core
b)
#1 Radiation zone
c)
#1 Convection zone
d)
#1 Photosphere
46.
Label part 6
a)
#6 Prominences
b)
#6 Corona
c)
#6 Sunspots
d)
#6 Photosphere
47.
Label part 5
a)
#5 Chromosphere
b)
#5 Radiation zone
c)
#5 Convection zone
d)
#5 Photosphere
48.
Label Part 3
a)
#3 Chromosphere
b)
#3 Radiation zone
c)
#3 Convection zone
d)
#3 Photosphere
49.
Label Part 2
a)
#2 Core
b)
#2 Radiation zone
c)
#2 Convection zone
d)
#2 Corona
50.
Nuclear fusion is when
a)
the nuclei of two atoms join to produce lots of energy
b)
the nuclus of a large atom splits to release lots of energy
51.
Energy is created in the core when two _____________ atoms join together to form a ______________ atom.
a)
helium, hydrogen
b)
carbon, hydrogen
c)
nitrogen, helium
d)
hydrogen, helium
52.
In which area of the sun does gas rise as it heats up, then fall back down as it cools?
a)
the core
b)
the radiation zone
c)
the convection zone
d)
the corona
53.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
54.
the distance light travels in one Earth year; about 9.5 trillion km
a)
galaxy
b)
universe
c)
light-year
d)
corona
55.
Where does nuclear fusion occur?
a)
Space
b)
Radiation Zone
c)
Photosphere
d)
The Core
56.
What are the inner layers of the Sun?
a)
Core, Radiative zone, and Convection zone.
b)
Crust, mantle, and core.
c)
Core, Photosphere, and Radiative Zone.
d)
The Sun doesn't have inner layers.
57.
What is the hottest part of the sun and the solar system.
a)
The Sun
b)
The Core
c)
The Earth
d)
The Corona
58.
What are the outer layers of the Sun?
a)
The Sun has only inner layers.
b)
Photosphere, Chromosphere, and Corona.
c)
Core, Radiative zone, and Convection zone.
d)
Crest, Corona, Mantle.
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