The Inner Planets
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Questions and Answers

Which planet is the closest to the Sun among the inner planets?

  • Earth
  • Mercury (correct)
  • Venus
  • Mars
  • What is the collective term for the inner planets of our solar system?

  • Gas Giants
  • Terrestrial Planets (correct)
  • Outer Planets
  • Jovian Planets
  • What process led to the formation of the Inner Planets after the explosion of a single large nebula in the early solar system?

  • Magnetic Attraction
  • Gravitational Collapse (correct)
  • Cosmic Radiation
  • Nuclear Fusion
  • Which term best describes Mercury, Venus, Earth, and Mars collectively when compared to the other planets in the solar system?

    <p>Rocky Planets</p> Signup and view all the answers

    What is a significant feature shared by all the inner planets that sets them apart from the outer planets in our solar system?

    <p>Solid, Rocky Surfaces</p> Signup and view all the answers

    Which inner planet has the slowest rotation on its axis?

    <p>Venus</p> Signup and view all the answers

    What sets the inner planets (Mercury, Venus, Earth, Mars) apart from the outer planets in terms of formation?

    <p>Their high temperatures allowed metal and rock to condense.</p> Signup and view all the answers

    What is unique about Venus compared to the other inner planets?

    <p>It rotates clockwise or backward.</p> Signup and view all the answers

    Which planet is named after the Roman god of war?

    <p>Mars</p> Signup and view all the answers

    What characteristic do all inner planets share in terms of composition?

    <p>Their mantles are made of silicates and metals.</p> Signup and view all the answers

    Which of the following statements about the inner planets is true?

    <p>They can have a maximum of two moons orbiting them.</p> Signup and view all the answers

    What is the frost line in the solar system?

    <p>The boundary between the inner and outer solar systems.</p> Signup and view all the answers

    Which of the following is a characteristic that distinguishes the outer planets from the inner planets?

    <p>Outer planets have dozens of moons orbiting them.</p> Signup and view all the answers

    Which of the following statements about the composition of the inner and outer planets is correct?

    <p>Inner planets are made of iron, nickel, and silicates, while outer planets are made of gases, ice, and rocks.</p> Signup and view all the answers

    Which of the following is NOT a characteristic that distinguishes the inner planets from the outer planets?

    <p>Density of the planets.</p> Signup and view all the answers

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