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