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WorksheetsUnit 3 & 4 Review
Total questions: 20
Worksheet time: 10mins
what is parallax?
the distance from the sun to the moon
comparing things and seeing how their relative position changes as we move
the hot spots on the sun
how far we are from the sun
what is the galaxy we live in?
solar system
milky way
ava way
parsec
how far away is GNZ11?
10 billion light years
1 billion light years
31.96 billion light years away
2 billion light years
how old is the light we see from the center of the Milky Way?
100,000 light years
1000,000 light years away
10 light years
1,000 light years
why do we need a map of the milky way?
astronauts cannot travel that far
the images aren't accurate
it's too far away so we can't get a picture of it
we're too lazy to go into space and take a pic
how many minutes does it take for light to travel from the Sun to Earth
10 min
30 seconds
3 minutes
8 minutes
how many miles is 1 light year?
5,800,000,000,000 miles
180,000 miles
100,000,000,000 miles
120,000,000,000 miles
what is it called when a light travels for a year.
sun year
light year
moon year
leap year
how big is a Parsec?
20 light years
3 light years
3.26 light years
4 light years
how many AU is one light year?
50000 AU
63241 AU
10000 AU
60000 AU
how does a star cycle start?
nuclear power plant
nebula
big cloud of dust
red giant
what is an expanding and fusing star with larger elements like carbon, oxygen and iron?
white dwarf
red giant
nebula
the sun
what is a small dust star that slowly burns out and cools at the end of an average star's life?
star
red giant
white dwarf
nuclear
what is a small dense and cool corpse of an old star that is not bright enough to emit light?
sun
yellow giant
white dwarf
black dwarf
how old is the sun?
10 billion years
5 billion years old
4.6 billion years old
2 billion years old
what happens in the protostar phase?
it explodes
heat energy is created
turns into a white dwarf
it lights up
what happens in the red giant phase?
it turns white
it grows smaller
hydrogen fuel runs out
it explodes
what happens during the fusion phase?
hydrogen is created
turns into a white dwarf
it expands
the core shrinks
what phase is a star in when other material is blasted into space?
supernova + planetary nebula
red giant
end phase
main sequence
after the conclusion phase, what happens to the star?
turns into red giant
grows bigger
turns into a dwarf
turns into nebula
