Quiz 7-1

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Which of the following statements is not an observed pattern of motion in our solar system? a)Most planets orbit at the same speed b)Almost all moons orbit their planet in the same direction as the planet's rotation c)Most planets rotate int he same direction in which they orbit d)All planets orbit the sun in the same direction e)most planetary orbits lie nearly in the same plane

a)Most planets orbit at the same speed

Where are most of the known asteroids found? a)Between the orbits of Mars and Jupiter b)In the Oort cloud c)Between the orbits of the terrestrial planet d)In the Kuiper belt e)Between the orbits of the jovian planets

a)Between the orbits of Mars and Jupiter

Astronomers have decided that, rather than being a planet, Pluto is really just a large member of a)The Oort cloud b) The Kuiper belt c) The Asteroid belt d)The moon system around neptune e)An extrasolar planetary system

b) The Kuiper belt

How does the Sun's mass compare with that of the planets? a)It is a hundred times more massive than Earth b)It is a hundred times more massive than all the planets combined c)It is a thousand times more massive than Earth d)It is a thousand times more massive than all the planets combined e)It is about as massive as all the planets combined

b)It is a hundred times more massive than all the planets combined

Which planet, other than Earth, has visible water ice on it? a)Venus b)Mars c)Mercury d)the moon e)Jupiter

b)Mars

Which of the following is not a pattern of motion in our solar system? a) Large planets all have many moons orbiting them b)Planets all rotate in the same direction c)Planets all orbit in the same direction d)Planets all orbit the same direction as the Sun's spin

b)Planets all rotate in the same direction

Where does nuclear fusion occur in the sun? a)Anywhere below the surface b)in its core c)just above the visible surface d)on the surface e)all of the above

b)in its core

Which of the following is furthest from the Sun? a)A comet in the Kuiper belt b)Pluto c)A comet in the Oort cloud d)Neptune e) An asteroid in the asteroid belt

c)A comet in the Oort cloud

Which is the densest planet in the solar system? a)Venus b)Mercury c)Earth d)Jupiter e)Mars

c)Earth

The planet closest in size to Earth is a)Mars b)Pluto c)Venus d)Mercury e)The moon

c)Venus

Which planet has the highest average surface temperature, and why? a)Mercury, because it is closest to the Sun b)Jupiter, because it is so big c)Venus, because of its dense carbon dioxide atmosphere d)Mars, because of its red color e)Mercury, because of its dense carbon dioxide atmosphere

c)Venus, because of its dense carbon dioxide atmosphere

What are the main constituents of the jovian planets? a)ammonia and water b) rocky minerals and water, as on Earth c)nitrogen and methane d)hydrogen and helium e)Ammonia and methane

d)hydrogen and helium

Which planet has a ring system? a)Saturn b)Neptune c)Uranus d)Jupiter e)All of the above

e)All of the above

How do asteroids differ from comets? a)Asteroids are rocky bodies and are less dense than comets, which are made of icy material b)Asteroids and comets are both made of rocky and icy materials, but asteroids are smaller in size c)Asteroids are made of icy material and are less dense than comets d)Asteroids are made of icy material and are denser than comets e)Asteroids are rocky bodies and are denser than comets, which are made of icy material

e)Asteroids are rocky bodies and are denser than comets, which are made of icy material

Which of the following is not a characteristic of the outer planets? a)They all have rings b)They are primarily made of hydrogen and helium c)They are all large balls of gas d)Their orbits are separated by relatively large distances e)They have very few, if any, satellites

e)They have very few, if any, satellites


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