Worksheetscomponents of the universe
Total questions: 20
Worksheet time: 10mins
what are the two main components of the universe?
stars and planets
dust and gases
galaxies and planets
stars and galaxies
how are galaxies classified?
by their age
by their size
by their name
by their luminosity
what are the three shapes to classify a galaxy?
spiral, irregular, oval
spiral, irregular, elliptical
circle, regular, oval
spiral, circle, elliptical
how are stars different?
by their age, color, brightness
by their age, color, brightness, size
by their name, age, size
by their age, color, size, name
where are stars born?
nebula
a planet
a galaxy
on broadway
what star lives the longest?
small stars
large stars
supergiant stars
big stars
During the life cycle of an AVERAGE star, what happens after main sequence?
it becomes a red giant
it becomes a red SUPERgiant
it becomes a white dwarf
it becomes a galaxy
what happens during the white dwarf stage?
the star ages backwards
the star puffs up
the star is dying
the star goes back into the nebula
what is the FIRST stage of the life cycle of a massive star?
born in a nebula
becomes a white dwarf
becomes a main sequence star
becomes a neutron star
what is the SECOND stage of the life cycle of a massive star?
main sequence
neutron star
black hole
white dwarf
what is the THIRD stage of the life cycle of a massive star?
born in a nebula
main sequence
white dwarf
red supergiant
what is the FOURTH stage of the life cycle of a massive star?
becomes a white dwarf
becomes a supernova
becomes a black hole
becomes a neutron star
what are the is the FINAL stage(s) of the life cycle of a massive star?
becomes a neutron star and white dwarf
goes back into a nebula and becomes a neutron star
becomes a black hole ONLY
becomes a black hole and neutron star
what is our sun compared to other stars
big
average
massive
small
which star is the closest to Earth?
the sun
sirius
the proxima centauri
ross 128
what is the difference between a neutron star and a black hole?
the core; neutron star has a smaller core
the core; black hole has a smaller core
the light; neutron star gives off no light
the light; black hole gives off light
VOCAB: what is a proxima centauri?
the star before the sun
the closest star
the next closest star after the sun
a constellation of stars
VOCAB: what does an irregular galaxy mean?
the galaxy is very young
the galaxy is very old
the galaxy is average
the galaxy is about to blow up
VOCAB: what does an elliptical galaxy mean?
the galaxy is very young
the galaxy is very old
the galaxy is average
the galaxy is about to blow up
VOCAB: define a star
large ball of gas, gives off no light, held together by gravity
small ball of gas, gives off light, floats in space
large ball of gas, gives off light, held together by gravity
tiny size ball of gas, gives off no light, floats in space
