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Solar System Test Review 2
Test Description: Test review 2 on solar system
Instructions: Answer all questions to get your test result.
1) What is the Oort cloud?
A
the cloud of gas and dust that forms a fuzzy outer layer around a comet
B
the trail of gas and dust that streams outward from a comet
C
a spherical region of comets that surrounds the solar system
D
the region of the solar system that contains most of its asteroids
2) What is a meteorite?
A
one of the rocky objects that orbit the sun but are too small to be considered a planet
B
a loose collection of ice, dust, and rocky particles with a long elliptical orbit
C
a streak of light in the sky produced when a meteoroid enters Earth's atmosphere
D
a meteoroid that passes through the atmosphere and hits Earth's surface
3) Copernicus thought that the solar system was
A
geocentric
B
an ellipse
C
heliocentric
D
a constellation
4) The part of the sun where nuclear fusion occurs is the
A
chromosphere
B
core
C
photosphere
D
corona
5) Neptune is a(n)
A
dwarf planet
B
terrestrial planet
C
inner planet
D
outer planet
6) The region between Mars and Jupiter where many rocky objects are found is the
A
Oort cloud
B
Kuiper Belt
C
asteroid belt
D
convection zone
7) What do all of the inner planets have in common?
A
They are small and have rocky surfaces
B
They have the same period of revolution
C
They have the same diameter
D
They have the same period of rotation
8) Venus and Earth are much alike in terms of
A
their rates of rotation
B
their atmospheres
C
their direction of rotation
D
their size and density
9) Earth is unique among the planets because of
A
its large size
B
the direction in which it rotates
C
its oceans
D
its rocky surface
10) Uranus is different from most other planets because it
A
rotates on its side
B
it is the farthest from the sun
C
is mostly nitrogen and helium
D
has the most moons
*select an answer for all questions
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