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WorksheetsStars Study Tool
Total questions: 42
Worksheet time: 1hrs 1mins
What type of stars are the hottest?
yellow
white
red
blue
What is the main factor that determines what a star will become?
mass
brightness
temperature
color
Hydrogen is the most common chemical element in most stars?
False
True
What do Super-giants form?
red giants
white dwarfs
supernova
planetary nebula
Where are stars "born"?
from the sun
in a nebula
in a supernova
in a white dwarf
When this type of star runs out of fuel, it becomes a supernova. What type of star is it?
medium
low
high
All stars____?
Reflect light from the Sun
Produce their own light
wander off their star path
are cold
What impacts a star's APPARENT BRIGHTNESS?
distance and heat
composition and absolute brightness
distance and absolute brightness
size and distance
Our sun is
low mass star
High mass star
Super Giant
Dwarf
Why does Earth get more energy from the sun than from all the other stars in the universe combined?
The sun is much larger than the other stars.
The sun is much hotter than the other stars.
The sun is much more dense than the other stars.
The sun is much closer than the other stars.
a star after it has used all of its nuclear fuel
Protostar
Neutron Star
Supernova
White Dwarf
What is an enormous cloud of dust and gas occupying the space between stars and acting as a nursery for new stars?
nebula
main sequence star
white dwarf
supernova
Gravity causes the gas and dust of a nebula to collapse together creating a _________ which represents an early stage in the formation of a star, before nucleosynthesis has begun
supervona
black hole
protostar
dwarf star
a region of space having a gravitational field so intense that no matter or radiation can escape.
low mass star
high mass star
black hole
luminosity
What are all stars made of and how are they held together?
Helium and oxygen, by magnetic fields
Hydrogen and helium, by gravity
Oxygen and hydrogen, by nuclear forces
Carbon and hydrogen, by chemical bonds
On what basis can stars be classified?
Color, mass, temperature, and brightness
Size, shape, distance, and brightness
Age, composition, orbit, and density
Speed, direction, volume, and pressure
What are the characteristics of the largest and hottest stars?
They are red
They are blue
They are yellow
They are white
What are the characteristics of the coolest stars?
They are blue
They are white
They are red
They are yellow
What is the final stage of a very large mass star?
White Dwarf
Blue Giant
Black Hole
Red Giant
Which type of star eventually becomes a Neutron Star?
Low to Average Mass Star
Large Mass Star
Very Large Mass Star
All types of stars
What is formed from a cloud of stellar matter after the red giant stage?
A black hole
A white dwarf
A planetary nebula
A neutron star
What is the initial stage of large mass stars?
Main sequence star
Red giant
Protostar
White dwarf
What is a supernova?
A type of black hole.
A star that has run out of fuel.
A massive explosion that sends out shock waves and blasts the star’s heavy elements into space.
A small, dense star.
Place the following stages in the life of a low-mass star, like the sun, in order: A) Red giant; B) White dwarf; C) Main sequence star
C, A, B
A, C, B
B, A, C
B, C, A
It is the brightness of star as seen from the Earth.
It is the star nearest the Earth
What color are the coolest stars?
red
blue
white
orange
What color are the hottest stars?
blue
red
white
yellow
The types of gases that make up a star is also known as the star's _______________.
composition
temperature
size
luminosity
A tool that astronomers use to learn about the composition of a star is called a _______________.
spectroscope
luminosity
nebula
light-year
Stars are made of mostly which two gases?
Hydrogen and Helium
Hydrogen and Oxygen
Hydrogen and Nitrogen
Hydrogen and Carbon
What does "proto" mean?
Oldest
Earliest
Darkest
Brightest
What type of star burns fuel faster and does not live as long?
A bright star.
A high mass star.
A low mass star.
A main sequence star.
