WorksheetsU1A-15 Space Test
Total questions: 63
Worksheet time: 32mins
A theory is a proven fact.
True
False
What type of galaxy is the Milky Way?
(a)
CMB was leftover ' (a) ’ in the form of microwave radiation, which was still cooling from the Big Bang.
What is the age of the universe?
13.7 billion years
4.6 million years
13.7 million years
2021 years
4.6 billion years
Match the scientist with what they discovered.
George Lemaitre
Theory of how the universe began
Heat in the form of microwave radiation
Galaxies are shifted towards the red side of the spectrum
Hydrogen undergoes fusion to create helium and then heavier elements
Match the scientist with what they discovered.
Robert Wilson and Arno Penzias
Theory of how the universe began
Heat in the form of microwave radiation
Galaxies are shifted towards the red side of the spectrum
Hydrogen undergoes fusion to create helium and then heavier elements
Match the scientist with what they discovered.
Edwin Hubble
Theory of how the universe began
Heat in the form of microwave radiation
Galaxies are shifted towards the red side of the spectrum
Hydrogen undergoes fusion to create helium and then heavier elements
Match the scientist with what they discovered.
Ralph Alpher
Theory of how the universe began
Heat in the form of microwave radiation
Galaxies are shifted towards the red side of the spectrum
Hydrogen undergoes fusion to create helium and then heavier elements
New studies show the temperature of the universe is heating up due to it __________________
evolving
expanding
compressing
shrinking
working out
The Milky Way galaxy will collide with the Andromeda galaxy within the next couple years.
True
False
A galaxy that is labeled E0 on Hubble's Tuning Fork would be LESS flat and galaxy labeled E5 would be MORE flat.
True
False
What is Hubble Deep Field?
The deepest picture of our universe
The theory of the expanding universe
The satellite that discovered cosmic microwave background radiation
A group of scientists who study the universe
The largest football stadium in the United States
A galaxy that is labeled SBa on Hubble's Tuning Fork would have [SMALLER] center bulges and a galaxy labeled SBc would have [LARGER] center bulges.
True
False
Which were the first two elements in the universe that are responsible for creating all other elements? (Check all that apply)
Hydrogen
Helium
Oxygen
Argon
Nitrogen
The above image is an example of what kind of galaxy?
Spiral
Barred Spiral
Irregular
Elliptical
Pinwheel
During the immediate aftermath of the Big Bang, hydrogen nuclei collided and fused into ______________ nuclei.
Helium
Oxygen
Carbon
Nitrogen
Carbon Dioxide
Which of the following are evidence for the Big Bang Theory?
(Select all that apply)
Cosmic Microwave Background Radiation
Red-shift of Galaxies
Mixture of Elements to create new elements
The universe heating up
The universe moving together in a single point
Which of the following are evidence for the Big Bang Theory?
(Select all that apply)
Cosmic Microwave Background Radiation
Red-shift of Galaxies
Mixture of Elements to create new elements
The universe heating up
The universe moving together in a single point
A low mass star will remain in main sequence for a shorter amount of time because it is burning up hydrogen fuel faster.
True
False
The most massive stars will die to become (a)
Luminosity of a star depends on
size
temperature
brightness
elements
elements
A star with an apparent magnitude of -26.7 is brighter than a star with an apparent magnitude of 4.
true
false
The horizontal axis of the Hertzsprung-Russell Diagram represents the (a) . while the vertical axis represents the luminosity
The horizontal axis of the Hertzsprung-Russell Diagram represents the temperature. while the vertical axis represents the (a)
Red stars are the hottest and blue stars are the coolest.
true
false
Nebula
Stars start out as diffused clouds of gas and dust drifting through space.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Protostar
Stars start out as diffused clouds of gas and dust drifting through space.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Main Sequence
Stars start out as diffused clouds of gas and dust drifting through space.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Red Giant
Stars start out as diffused clouds of gas and dust drifting through space.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Supernova
Stars start out as diffused clouds of gas and dust drifting through space.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Planetary Nebula
A shell of gas and dust disperses into space leaving behind a white dwarf.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Which elements are the most abundant in the universe?
hydrogen
helium
carbon
beryllium
iron
In the spectral class, BLUE color are Class O stars?
true
false
Most of the stars on the HR Diagram are classified as what type of stars?
main sequence
white dwarfs
black dwarfs
red giants
supergiants
A star with an absolute magnitude of -7 and a temperature of 3000 degrees Kelvin would be classified as
Super Giant
Giant
Main Sequence
White Dwarf
More information is needed
White dwarfs are hotter and have lower luminosity than supergiants.
true
false
Using your HR Diagram Identify the star with the correct classification.
Sirius B
Temperature: 10,700 K
Absolute Magnitude: 12
White Dwarf
Supergiant
Main Sequence
Using your HR Diagram Identify the star with the correct classification.
Betelgeuse
Spectral Class: M
Luminosity: 17,000
White Dwarf
Supergiant
Main Sequence
Using your HR Diagram Identify the star with the correct classification.
Vega
Temperature: 10,700 K
Luminosity: 55
Absolute Magnitude: 0.03
White Dwarf
Supergiant
Main Sequence
Star A and B are the same size but Star A is in the spectral class F, while Star B is in the spectral class M.
Which star is more luminous?
Star A
Star B
Not enough info
Use the Period Table above to answer the following question.
What is needed to create a Carbon (C) atom through nuclear fusion?
Two helium (He) atoms fusing with a hydrogen (H) atom
One beryllium (Be) atom fusing with a Helium (He) atom
One hydrogen (H) atom fusing with a helium (He) atom
One carbon (C) atom
Six helium (He) atoms fusing together
Use the Period Table above to answer the following question.
Two hydrogen (H) atoms fuse to create what element?
Helium (He)
Lithium (Li)
Beryllium (Be)
Hydrogen (H)
Boron (B)
Use the picture above to answer the following question.
Which element is represented in the spectrum above?
(a)
Use the picture above to answer the following question.
Which element is NOT represented in the star spectrum above?
(a)
Which of the following are evidence for the Big Bang Theory?
Cosmic Microwave Background Radiation
Red-shift of Galaxies
Mixture of Elements to create new elements
The universe heating up
The universe moving together in a single point
Nebula
Stars start out as diffused clouds of gas and dust drifting through space
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Protostar
Stars start out as diffused clouds of gas and dust drifting through space
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Main Sequence
Stars start out as diffused clouds of gas and dust drifting through space
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Red Giant
Stars start out as diffused clouds of gas and dust drifting through space
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Supernova
Stars start out as diffused clouds of gas and dust drifting through space
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Planetary Nebula
A shell of gas and dust disperses into space leaving behind a white dwarf.
The force of gravity pulls a nebula together forming clumps.
Heat and pressure build in the core until nuclear fusion takes place.
The star begins to run out of fuel and expands.
An explosion resulting in gas and dust getting thrown into space.
Which of the following is/are (a) dwarf planet(s).
Ceres
Pluto
Eris
Neptune
Mercury
Which two factors keep a star from blowing itself up?
fusion
gravity
fission
elements
magnetism
Which of the following would be classified as a celestial body?
moons
asteroids
comets
planets
all of answers
According to Newton's Law of Universal Gravitation, if the distance is doubled, the force of gravity is 1/4 as strong as before.
true
false
What does fusion create?
new elements
energy (gamma ray)
hydrogen
surface
mass
According to Newton's Law of Universal Gravitation, if the mass of one object is doubled, the force of gravity is doubled.
true
false
Why is Pluto considered a dwarf planet and not a planet?
it does not orbit the Sun
it is not a rounded shape
it does not clear it's orbit of other objects
it is not within the solar system boundaries
it is not as dense as the other planets
The mass of an object will vary from planet to planet, but the weight will always stay the same.
true
false
Under what conditions can fusion take place?
intense heat and pressure
high oxygen levels
out in space
fusion and gravity
within a magnetic field
The (a) is the layer of the sun where fusion take place?
A solar cycle occurs every 11 years.
true
false
It takes 8 hours for light from the Sun to reach earth.
true
false
