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Astronomy Unit Review-6th Grade Flashcards | StudBud
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Astronomy Unit Review-6th Grade
Astronomy Unit Review-6th Grade
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6th grade Earth science astronomy unit review
Flashcards
33 cards
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Practice quiz
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Questions
33
Answers
1
The Milky Way is what type of galaxy?
Irregular
Elliptical
Spiral
Crescent
2
Who discovered that planets orbit in ellipses?
Copernicus
Kepler
Galileo
Brahe
3
A black hole is ___________________.
a myth
lighter than air
something that gives off light
the most dense object in the universe
4
What is unique about Uranus?
Its color
It has a lot of methane
It has rings
It rotates on its side
5
Which of the following planets has/have no atmosphere?
Earth
Venus
Mercury
Mars
6
In a geocentric model, the _________ is the center.
Sun
Black Hole
Milky Way
Earth
7
About how many days does it take for a new moon to become a full moon?
14
7
21
29.5
8
A light year is a measurement of what?
Har far light travels in 1 year
How hot something is
5,280ft
How far Buzz Lightyear can fly
9
Who proposed the heliocentric model?
Copernicus
Brahe
Kepler
Galileo
10
About 70% of ________ is covered with dihydrogen monoxide.
Mercury
Venus
Mars
Earth
11
What object can be thought of as a "dirty snowball?"
asteroid
a comet
Uranus
meteoroid
12
The Milky Way is how many light years across?
100,000
28,000
2,324,234,343,564,546,453,879,324,789,234,658,242
1,000
13
A streak of light in the sky caused by a meteoroid is called a ____________.
comet
meteorite
meteoroid
meteor
14
Which planet is similar to Venus in size and density?
Earth
Venus
None
Mercury
15
The inner and outer planets are separated by what?
Nothing
A Comet
The Asteroid Belt
Space
16
A small chunk of rock in space is called a _________.
meteoroid
asteroid
meteor
meteorite
17
In a heliocentric model, the __________ is the center.
Sun
Earth
Black Hole
Milky Way
18
Pluto is considered a ___________.
asteroid
Planet
dwarf planet
a dog
19
Which of the following is not a type of galaxy?
Spiral
Crescent
Elliptical
Irregular
20
Which of the following planets is the largest in the solar system?
Saturn
Uranus
Neptune
Jupiter
21
What is unique about a comet?
It contains ice
It's long and narrow elliptical orbit
nothing
it does not move
22
What are Jupiter and Saturn mostly made of?
Helium and Nitrogen
Hydrogen and Nitrogen
Hydrogen and Helium
Hydrogen and Iron
23
What is the closest planet to the sun?
Mercury
Earth
Venus
Mars
24
What do the gas giants all have in common?
They are all made of the same gas
How they were discovered
Their rings
Their diameters
25
We always see the same side of the moon.
True
False
26
A large object made of rock and iron that orbits the sun is called a(n) __________.
asteroid
comet
meteoroid
meteorite
27
The phases of the moon change because the moon receives different amounts of light.
True
False
28
Who used a telescope to support discover the four popular moons of Jupiter?
Kepler
Brahe
Copernicus
Galileo
29
What is the most common
scientific
theory for the beginning of the universe?
the big bang
the big freeze
magnetic reversal theory
the big crunk
30
The outer planets have less than ten moons altogether.
True
False
31
Which planet is nicknamed the red planet?
Venus
Mercury
Jupiter
Mars
32
Which planet is best known for its rings?
Saturn
Jupiter
Uranus
Neptune
33
Which planet is the hottest?
Venus
Jupiter
Saturn
Earth
