WorksheetsAstronomy Unit 3&4 Reveiw
Total questions: 20
Worksheet time: 10mins
What is the unit of measure used for our galaxy?
Meters
Miles
Astronomical Unit
Yards
What is a light year?
How much light is in 1 year
the distance light travels in 1 year
how bright the sun is during a year
none of the above
What galaxy do we live in?
The Milky Way
Andromeda Galaxy
Cygnus A
Virgo A
Parsecs are used for _______ distances within the galaxy.
longer
wider
thinner
shorter
_______ a galaxy that was the farthest object that has been observed at 31.96 billion light years away from us.
ABC45
XZY22
GNZ11
HSE79
What are kiloparsecs used for?
closer objects within and around the Milky Way
more distant objects within and around the Milky Way
smaller objects within and around the Milky Way
large objects within and around the Milky Way
What are megaparsecs used for?
mid-distance galaxies
small galaxies
measuring various objects in the galaxy
all of the above
What are gigaparsecs used for?
just the Milky Way Galaxy
small galaxies
close galaxies
the most distant galaxies
______ comparing things and seeing how their relative position changes as we move.
Parallax
Space
Perspective
Light Years
What is the closest star to Earth BESIDES the sun?
Proxima Centauri
Acamar
Andromeda
Serpens
_________ is a massive, slow gathering of dust and hydrogen gas, where stars can be created
Combustion Cloud
Hydrogen Gas Cloud
Stellar Nebula
All of the Above
What types of stars burn longer?
White stars
The Sun
Large stars
Dwarf stars
How many years has our sun existed?
5.4 billion
4.6 billion
7 billion
6.8 billion
_______ is a star that is expanding
and fusing larger elements like carbon, oxygen, and iron.
Red Sun
Red Star
Red Dot
Red Giant
A __________ small, dull star that slowly burns out and cools at the end of an average star’s life.
Black dwarf
Red dwarf
Blue dwarf
White dwarf
How many generations will happen in 1 billion years?
25 million
93 billion
200 million
175 billion
How long will the sun continue to fuse hydrogen and helium?
3 trillion years
4 billion years
5 billion years
6 million
What is the process that generates energy for a star called?
Atomic Mass
Combustion
Nuclear Fusion
None of the Above
What temperature does a star have to be at to preform nuclear fusion?
90 billion degrees
10 billion degrees
30 million degrees
80 million
What is a protostar?
a cloud of gas and dust in space that will eventually turn into a star
the most mature form of a star
the form of a star where it is about to explode
when a star is middle of its life cycle
