Solar System Part Two Question Preview (ID: 36229)


Part Two. TEACHERS: click here for quick copy question ID numbers.

What is the Oort cloud?
a) a spherical region of comets that surrounds the solar system
b) the cloud of gas and dust that forms a fuzzy layer around a comet
c) the trail of gas and dust that streams outward from acomet
d) the region of the solar system that contains most of the solar system's asteroids

What is a meteorite?
a) a meteoroid that passes through the atmosphere and hits Earth's suface
b) a streak of light in the sky produced when a meteoroid enters Earth's atmosphere
c) one of the rocky object that orbits the sun but are too small and too numerous to be planets
d) a loose collection of ice, dust, and small rock particles with a long eliptical lorbit

Copernicus thought the solar system was
a) an elipse
b) a constellation
c) geocentric
d) heliiocentric

The part of the Sun where nuclear fusion occurs is the
a) photosphere
b) core
c) chromosphere
d) corona

Neptune is
a) an inner planet
b) a terrestrial planet
c) an outer planet
d) dwarf planet

The region between Mars and Jupiter where many rocky objects are found is the
a) asteroid belt
b) Oort cloud
c) convection zone
d) Kuiper belt

What do all off the inner planets have in common?
a) they have the same period of revolution
b) they have the same periodof rotation
c) they have the same diameter
d) they are small and have rocky surfaces

Venus and Earth are much alike in terms of
a) their size and density
b) their rates of rotation
c) their atmospheres
d) their direction of rotation

Earth is unique among the planets because of
a) its rocky surface
b) its oceans
c) its large size
d) the direction in which it rotates

Uranus is unique among the planets because it
a) is farthest from the Sun
b) it is mostly nitrogen and helium
c) rotates on its side
d) has the most moons

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