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WorksheetsComponents of the Universe
Total questions: 20
Worksheet time: 10mins
A collection of stars and dust that is bound together is called-
moon
asteroid
galaxy
universe
What kind of galaxy is this?
spiral
irregular
elliptical
i don’t know (you do)
When a massive star explodes, what does it turn into?
red giant
supernova
black hole
white dwarf
What are the ages of the stars in an irregular galaxy?
middle aged
young
really old
old
How many times larger is a black hole to the sun?
3 or more times
9 or more times
7 or more times
12 or more times
What is the correct order of an average star’s life?
main sequence, white dwarf, nebula, red giant
nebula, main sequence, red giant, white dwarf
red giant, white dwarf, main sequence, nebula
white dwarf, red giant, main sequence, nebula
What is the correct order of a massive star’s life?
nebula, main sequence, red super giant, supernova
main sequence, nebula, red super giant, supernova
red super giant, supernova, main sequence, nebula
supernova, nebula, main sequence, red super giant
Why can’t a average star collapse into a black hole?
because it’s mass isn’t large enough
because it would destroy the solar system
because it’s scared to
because it’s a galaxy
Which stars are the hottest?
red
blue
yellow
orange
Which stars are the coolest?
yellow
blue-white
blue
red
What does a star turn hydrogen into?
fluorine
oxygen
helium
methane
What is our sun considered as?
large size and cold temperature
medium size and medium temperature
medium size and hot temperature
small size and medium temperature
What does luminosity measure?
brightness
temperature
mass
weight
Which category is our sun in?
main sequence
giants
super giants
white dwarfs
Which category contains the most stars?
supergiants
giants
main sequence
white dwarfs
When moving to the left, what changes?
temperatures get lower
temperatures get higher
stars become more dim
stars become more bright
What holds a galaxy together?
air
gravity
rocks
clouds
Where are we located in our galaxy?
in the center
on one of the spiral arms
in between two spiral arms
on the edge
A black hole is an object so dense with so much gravity that even ________ cannot escape.
people
light
the moon
the earth
What galaxy do we live in?
Milky Way
Sombrero Galaxy
Pinwheel Galaxy
Black Eye Galaxy
