Science Chapter 23 – Flashcards
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According to a relatively recent discovery, which planet has one satellite?
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Pluto
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Most meteor showers are associated with the orbits of
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Comets
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A comet's tail always points
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Away from the sun
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Which of the following is NOT a terrestrial planet?
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Jupiter
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How many known satellites does Mars have?
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2
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Which of the following is NOT a Jovian planet?
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Earth
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The Jovian planets contain a large percentage of the gases
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Hydrogen and Helium
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Which features on Mars point to the possibility of liquid water on the planet?
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Gullies and streamlike channels
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The small particles that produce a streak of light upon entering Earth's atmosphere are called
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Meteors
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The lowest surface temperature yet measured on any body in the solar system occurs on
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Triton
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The remains of extraterrestrial particles that are found on Earth's surface are called
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meteorites
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Which planet has a dense carbon dioxide atmosphere and high surface temperatures?
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Venus
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Which planet is second only to the moon in brilliance in the night sky?
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Venus
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Which of the following planets does NOT have rings?
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Mars
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Why isn't Pluto considered a planet?
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Pluto's gravity is too weak to pull in smaller debris, so it hasn't cleared its orbital path
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Which planet's axis of rotation lies nearly parallel with the plane of its orbit?
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Uranus
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Most asteroids lie between the orbits of
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Mars and Jupiter
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On which thickly clouded planet has radar mapping revealed a varied topography consisting of plains, highlands, and thousands of volcanic structures?
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Venus
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The atmosphere of Venus is composed primarily of
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Carbon Dioxide
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Which satellite of Uranus has the greatest variety of landforms of any satellite yet examined?
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Miranda
