WorksheetsLife Cycle of a Star and the Sun
Total questions: 18
Worksheet time: 18mins
A cloud of gas and dust in interstellar space is called-
Star
Galaxy
Nebula
Asteroid belt
The Sun is an example of a(n)
Star
Galaxy
Asteroid
Natural Satellite
What property determines the life cycle of a star?
Mass
Distance from the Earth
Luminosity
Chemical Composition
A star with an average mass will become a ___ after it is a main sequence star.
Red Super Giant
Red Giant
Planetary Nebula
Black Hole
A star with a massive mass will become a ______ after it is a main sequence star.
Red Super Giant
Red Giant
Planetary Nebula
Black Hole
What happens after a star supernovas?
The star gets hotter.
The star gets cooler.
Planets are formed.
Gas and dust redistributed allowing new stars to eventually form.
90% of all stars are classified as-
Main sequence stars
Red giants
Red super giants
black holes
When the final stage of a high mass star's life leaves behind a core so dense that 1 teaspoon of its material would weigh 1 billion tons.
supernova
Neutron Star
Black Hole
White Dwarf
Why does the Sun appear to be larger than any other star?
Because it is so big
Because it has a high temperature
Because it is close to us
Because it has a high luminosity
Why do other stars appear to be so dim to us?
The Sun is much closer to the Earth than other stars.
The Sun is much brighter than other stars.
The Sun is composed of more elements than other stars.
The Sun is much hotter than other stars.
The Sun is classified as a -
White Dwarf
Planetary Nebula
Red Giant
Main Sequence Star
Which of the following describes the Sun?
The Sun is a medium size star.
The Sun is a giant size star.
The Sun is very small size star.
They do not know how big the Sun is.
The Sun will eventually become a-
White Dwarf
Red Super Giant
Black Hole
Neutron Star
When a medium mass star gets older and uses up its hydrogen, it goes from a main sequence star to a -
White Dwarf
Red Super Giant
Black Hole
Red Giant
How does a star form?
A beam of radiation from a pulsar passes through a dense mass of dust and gasses.
Gravity pulls dust and gases into a sphere.
The energy of a supernova reaches the dust and gases of a nearby nebula.
Gravity causes neutrons and electrons to collide and form protons.
The sun is a medium mass star. What is its correct life cycle?
Main Sequence, Red Giant, Supernova, White dwarf
Main sequence, red super giant, planetary nebula, and white dwarf
Main sequence, red giant, planetary nebula, and white dwarf
Main sequence, red super giant, supernova, and black hole or neutron star
Which of the following statements about a nebula is true?
There is no gravity in a nebula
The matter in a nebula is held together by pressure
A nebula is made up of clouds of dust and gases
Stars cannot form in a nebula
How is the life cycle of a star like a cycle?
The number of stars in the universe is constant
Black holes provide the gravity needed to form nebula
The life Cycle of a star is very predictable
A supernova redistributes dust and gases which can form new stars
