WorksheetsThe Sun and Sun-like Stars Quizizz
Total questions: 45
Worksheet time: 23mins
Identify the statement that is TRUE for the corona layer of the sun.
The corona can only be seen at night.
The corona looks like a spiky white ring during a solar eclipse.
The corona is 2 kilometers thick.
The corona emits light in the red part of the visible spectrum.
Identify the layers of the sun from the outside in.
Corona, photosphere, convective zone, chromosphere, radiative zone, core
Core, radiative zone, convective zone, photosphere, chromosphere, corona
Corona, radiative zone, convective zone, chromosphere, photosphere, core
Corona, chromosphere, photosphere, convective zone, radiative zone, core
What is a sunspot?
It is a spot on the sun where we can see into the core.
It is a spot seen due to a sudden eruption in the solar chromosphere.
It is a temporary dark spot that is cooler than the surrounding photosphere.
It is a hot region formed on the sun.
Mina is on Earth and is looking at the sun. Which layer of the sun is she able to see?
Corona
Chromosphere
Photosphere
Radiative zone
What happens in the core of the sun?
Nuclear fusion
Nuclear fission
Burning of fuel
Burning of carbon
The sun's radius is around:
10 times greater than that of Earth
1000 times greater than that of Earth
10000 times greater than that of Earth
100 times greater than that of Earth
Half that of Earth
The solar atmosphere is composed of:
The corona, chromosphere, and photosphere
The corona and photosphere only
The photosphere and chromosphere only
The corona and chromosphere only
The sun is mainly composed of:
Carbon
Hydrogen
Helium
Argon
Nitrogen
The sun's surface temperature is equal to:
5800 F
5800 C
6800 K
6800 F
5800 K
The solar corona is:
Is colder than the photosphere
Is a very dense layer of gas
The innermost layer of the sun's atmosphere
The middle layer of the sun's atmosphere
The outermost layer of the solar atmosphere
This is an extension of the solar corona expanding into space, composed of a stream of atoms, ions, protons, and electrons flowing away from the sun at upwards of 1000 km/s:
The chromosphere
The magnetic carpet
The solar wind
The photosphere
The solar ocean
Solar flares and coronal mass ejections can:
Hurt satellites
Hurt navigation systems
All of these answers are correct.
Disrupt communication systems
Cause blackouts
Which of these stars is the one that will die the fastest?
An average sized star
A massive star
A dwarf star
A small star
None of these answers are correct
Eventually, our sun will run out of ______ and become a _______:
Hydrogen, red dwarf
Helium, red dwarf
Hydrogen, blue giant
Hydrogen, red giant
Helium, red giant
What does a protostar have to do to become a star?
Nuclear fission in its core.
Nuclear fusion in its core.
Become big enough.
Make carbon in its core.
Collapse under its own gravity.
The stages of most stars life in order are:
Protostar, Main Sequence, Red Giant
Protostar, Main Sequence, Red Dwarf
Nebula, Protostar, Red Dwarf
Main Sequence, Red Dwarf, Protostar
Red Giant, Main Sequence, Protostar
Which of these is the most massive type of star?
Red Supergiant
Protostar
Red Giant
Brown Giant
Giant
A 'space cloud' is better called a:
Planet
Nebula
Constellation
Belt
Star
Which type of star will burn up all its hydrogen fuel the fastest?
A star 0.5 times the size of the sun
A star 10 times the size of the sun
A star 0.25 times the size of the sun
A star the same size as the sun
A star 5 times the size of the sun
What is it that causes the temperature inside a forming star to increase?
Outward force of hot gases
All of these answers are correct
Inward force of hot gases
Outward force of pressure
Gravitational contraction
The outward pressure of hot gases balancing the inward pull of gravity is known as:
Hydrostatic fusion
Nuclear fusion
Hydrostatic equilibrium
Oncotic equilibrium
Oncotic fusion
As a main sequence star expands into a giant, we can expect that it:
Will become less luminous
Will have lost all of its initial ability to fuse helium as it did when it was a main sequence star
Will become hotter
Will become cooler
Will become smaller
A medium sized star, once it reaches a point where it can't utilize carbon fusion, will become a:
Red dwarf
Red giant
Supergiant
White dwarf
Red dwarfs stay alive for so long because they:
Have a giant helium core
Use carbon fusion for most of their life
Use convection to uniformly mix and use their hydrogen fuel
Convert hydrogen to oxygen to generate carbon for fuel
Planetary nebulae form around which types of stars?
Very low mass stars
Lower to medium mass size
Only very large stars
None of these answers are correct
Only around stars exactly the size of our sun
What are planetary nebulae?
Shells of illuminated gas surrounding certain dying stars
Shells of illuminated gas surrounding formerly very low mass stars
Shells of illuminated gas surrounding certain dying planets
None of these answers are correct
Shells of illuminated metal surrounding certain dying stars
Which pairing is correct with respect to the characteristics of a white dwarf?
Low luminosity, high temperature
High luminosity, high temperature
Low luminosity, low temperature
High luminosity, low temperature
Medium luminosity, medium temperature
After a very long time, the white dwarf eventually becomes a ________?
Black dwarf
Red giant
Brown dwarf
Supergiant
Red dwarf
As a white dwarf cools, would it be expected to contract further?
Yes, because the lack of heat will no longer be able to counteract the force of gravity and the white dwarf will shrink even more
Yes, because when most matter cools, it condenses.
No, because degenerate electron pressure wouldn't allow it to
Yes, a cooling star always contracts
No, because it is full of gas
A white dwarf generates nuclear energy by way of:
Helium fusion
A white dwarf doesn't generate nuclear energy
Carbon fusion
Hydrogen fusion
Converting gravitational energy into thermal energy
A supernova is:
An explosion of a giant star that causes it to increase greatly in brightness
The same thing as a black hole
Formed after the core is a neon rich core, a dead end of sorts for the star
An explosion of a white dwarf
What generates the eventual pressure wave that blasts the star apart?
The core bounce
Neutrinos
The strong force
The triple alpha process
The conversion of iron into helium
Which is the correct order of sequence of events in the formation of a supernova?
Iron core formation, pressure wave formation, core contraction, explosion
Iron core formation, core bounce, core contraction, pressure wave formation, explosion
Pressure wave formation, iron core formation, core contraction, explosion
Iron core formation, core contraction, pressure wave formation, explosion
Explosion, iron core formation, core contraction, pressure wave formation
A Gamma Ray is:
The strong force binding neutrons and electrons together
An exploding, giant star
An electromagnetic wave consisting of high photon energy, high frequency, and short wavelength
A wave made entirely of neutrinos
None of these answers is correct
A supernova remnant ripping through the ISM will:
Help form new stars
Create a supernova
Form lots of new moons on impact
None of these answers is correct
Destroy a galaxy
Which astrophysicist first noticed pulsars?
Albert Einstein
Alexander Graham Bell
Lucille Ball
Jocelyn Bell
Stephen Hawking
A pulsar appears to pulse because:
It blows up like a supernova
It collapses into a white dwarf
Its electromagnetic beams sweep across the sky in a periodic manner as the star spins.
None of these answers are correct
It sits still in the sky and bursts out electromagnetic radiation in a periodic fashion with no need for rotation.
Visible light, radio waves, x-rays, and gamma rays are all forms of:
None of these answers are correct
Electromagnetic radiation pulsars have been known to beam out
UV light pulsars have been known to beam out
Solid matter radiation pulsars have been known to beam out
Water pulsars have been known to beam out
A pulsar is:
A brown dwarf
A white dwarf
A black dwarf
A neutron star
A red dwarf
This is a point of zero volume and infinite density into which matter in a black hole falls into:
Escape velocity
Neutron star
Singularity
Event horizon
White dwarf
The minimum velocity an object requires to break free from a celestial body's gravitational field is called the:
Event horizon
Gravitational pull
Escape velocity
Singularity
This is a celestial body from which neither light nor matter can escape:
A pulsar
A white dwarf
A red dwarf
A black hole
A neutron star
Cooler stars are usually...
Blue
Red
Yellow
Green
Very hot stars are usually...
Blue
Red
Yellow
Green
The Hertzsprung - Russel Diagram is a plot of a star's...
temperature and pressure
temperature and brightness
speed and rotation
Distance and Period
