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Author Quiz
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1

The planets of the solar system known of as the giant planets are mostly composed of
A)hydrogen, helium, and methane.
B)iron and nickel.
C)silicate minerals.
D)dirty, dusty ice.
2

Between the giant planets and the terrestrial planets of the solar system is found
A)the birthplace of comets.
B)the birthplace of meteorites.
C)empty space.
D)a trail of dust and ice particles.
3

Which of the following is true about the surface of Mars?
A)There are numerous active volcanoes.
B)It is much too cold for liquid water to exist.
C)The polar ice caps are frozen water.
D)The greenish areas are due to low, scrubby vegetation.
4

Which planet(s) has (have) no moons?
A)Mercury
B)Venus
C)Mercury and Venus
D)All of the planets have at least one moon.
5

Most of the mass of the solar system is found in
A)the terrestrial planets.
B)the gas giants.
C)the comets and asteroids.
D)the sun.
6

The smallest planet in the solar system is
A)Mercury.
B)Mars.
C)Pluto.
D)Venus.
7

Which planet has its axis of rotation tilted so much that it appears to rotate on its side?
A)Venus
B)Pluto
C)Uranus
D)Saturn
8

The atmosphere of Venus is predominantly
A)carbon dioxide.
B)nitrogen.
C)methane.
D)water vapor.
9

Remnants of asteroids or comets that survive the trip through the earth's atmosphere to strike the surface are called
A)meteors.
B)meteorites.
C)meteoroids.
D)"shooting stars."
10

Which of the following about Jupiter is not true?
A)Jupiter is mostly made of light elements like hydrogen and helium.
B)Much of the planet is composed of hydrogen compressed so greatly that it is liquid.
C)The colored bands in Jupiter's atmosphere are believed to result from atmospheric convection.
D)Because Jupiter is mostly hydrogen, it is only slightly more massive than the earth.





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