Gr 8 Natural Sciences Ch 4.1: Objects around the Sun
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Questions and Answers

What is characteristic of comets?

  • They are found in the inner solar system
  • They have a thin atmosphere
  • They develop visible tails when they approach the Sun (correct)
  • They are large and rocky

    • Which planet has extreme temperature variations?

  • Mercury (correct)
  • Earth
  • Mars
  • Venus

    • Which planet has the most moons in the solar system?

  • Neptune
  • Uranus
  • Jupiter (correct)
  • Saturn

    • What is unique about the rotation of Venus?

    <p>It rotates in the opposite direction to most planets</p> Signup and view all the answers

    What is the color of Neptune's atmosphere?

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

    What is Saturn known for?

    <p>Its stunning ring system</p> Signup and view all the answers

    What is the main characteristic of a terrestrial planet?

    <p>Having a solid, rocky surface</p> Signup and view all the answers

    What is the primary difference between a gas giant and a terrestrial planet?

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

    What type of objects are primarily found in the asteroid belt between Mars and Jupiter?

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

    What is a characteristic of a dwarf planet?

    <p>Being spherical in shape</p> Signup and view all the answers

    Which planet has a unique atmosphere with abundant oxygen to sustain life?

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

    What is a characteristic of the gas giant Jupiter?

    <p>Having a thick atmosphere with metallic hydrogen</p> Signup and view all the answers

    What is the main difference between asteroids and Kuiper Belt Objects?

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

    What is the approximate percentage of the solar system's total mass that the Sun comprises?

    <p>98%</p> Signup and view all the answers

    What is the primary purpose of interactive simulators and 3D environments for exploring the solar system?

    <p>To visualize the relative positions and movements of celestial bodies</p> Signup and view all the answers

    What is a characteristic of the planet Mars?

    <p>It has the largest volcano and canyon in the solar system</p> Signup and view all the answers

    What is unique about the planet Uranus?

    <p>It has a mantle of water, ammonia, and methane</p> Signup and view all the answers

    What is a characteristic of Jupiter?

    <p>It has a low density and could float in water</p> Signup and view all the answers

    What is a characteristic of Neptune?

    <p>It has intense storms and strong winds</p> Signup and view all the answers

    What is a characteristic of Earth?

    <p>It is the only known planet to support life</p> Signup and view all the answers

    What is the primary reason why the planets and other objects in the solar system remain in orbit around the Sun?

    <p>The Sun's massive gravitational pull</p> Signup and view all the answers

    What is the primary difference between the terrestrial planets and the gas giants?

    <p>Their size and composition</p> Signup and view all the answers

    Which of the following celestial bodies is NOT categorized as a planet?

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

    What is the common characteristic of the objects found in the Kuiper Belt?

    <p>They are primarily made of ice</p> Signup and view all the answers

    What is the characteristic of the atmospheres of gas giants?

    <p>They are thick and contain metallic hydrogen</p> Signup and view all the answers

    What is the common characteristic of the terrestrial planets?

    <p>They have solid, rocky surfaces and metallic cores</p> Signup and view all the answers

    What is the characteristic of asteroids?

    <p>They are small and rocky</p> Signup and view all the answers

    What is the characteristic of dwarf planets?

    <p>They are similar in size to planets but have not cleared their orbits of other debris</p> Signup and view all the answers

    What is the primary reason why comets develop visible tails when they approach the Sun?

    <p>Because of the heat evaporating their ices</p> Signup and view all the answers

    Which planet has the highest average temperature?

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

    What is the primary purpose of the distance from the Earth to the Sun being used as a standard astronomical unit?

    <p>To standardize the measurement of distances in our solar system</p> Signup and view all the answers

    What is the primary reason why Uranus rotates on its side?

    <p>As a result of a past collision</p> Signup and view all the answers

    What is the characteristic of the storms on Neptune?

    <p>They are intense and strong-winded</p> Signup and view all the answers

    What is the primary benefit of using interactive simulators and 3D environments to explore the solar system?

    <p>To visualize the relative positions and movements of celestial bodies</p> Signup and view all the answers

    What is the primary reason why the terrestrial planets are smaller in size compared to the gas giants?

    <p>They have a higher density composition.</p> Signup and view all the answers

    Which of the following is a characteristic shared by both asteroids and Kuiper Belt objects?

    <p>They are small in size.</p> Signup and view all the answers

    What is the primary difference between the atmospheres of terrestrial planets and gas giants?

    <p>The composition of the atmosphere.</p> Signup and view all the answers

    Which type of celestial body is characterized by being unable to clear its orbit of other debris?

    <p>Dwarf planets</p> Signup and view all the answers

    What is the primary reason why the gas giants are able to maintain their massive size?

    <p>They are primarily composed of gas.</p> Signup and view all the answers

    What is the characteristic that distinguishes the terrestrial planets from the gas giants in terms of their cores?

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

    What is the primary similarity between the terrestrial planets and the gas giants in terms of their orbits?

    <p>They are all in orbit around the Sun.</p> Signup and view all the answers

    What is the characteristic that distinguishes the Kuiper Belt objects from the asteroids in terms of their composition?

    <p>Rocky versus icy</p> Signup and view all the answers

    What is the main reason why the planets and other objects in the solar system remain in orbit around the Sun?

    <p>The Sun's immense mass exerts a powerful gravitational pull.</p> Signup and view all the answers

    Which of the following statements is true about the asteroids and Kuiper Belt objects?

    <p>Asteroids are small and rocky, while Kuiper Belt objects are large and icy.</p> Signup and view all the answers

    What is a characteristic that distinguishes the terrestrial planets from the gas giants?

    <p>They have solid, rocky surfaces with metallic cores.</p> Signup and view all the answers

    What is the primary difference between the atmospheres of terrestrial planets and gas giants?

    <p>Terrestrial planets have atmospheres primarily composed of oxygen, while gas giants have atmospheres primarily composed of hydrogen and helium.</p> Signup and view all the answers

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

    <p>Dwarf planets are unable to clear their orbits of other debris.</p> Signup and view all the answers

    What is the primary reason why the terrestrial planets are smaller in size compared to the gas giants?

    <p>They have weaker gravitational forces</p> Signup and view all the answers

    What is the characteristic of the planet Mars that distinguishes it from other planets?

    <p>It has a reddish appearance due to its iron-rich surface</p> Signup and view all the answers

    What is the characteristic of interactive simulators and 3D environments used to explore the solar system?

    <p>They provide detailed views of celestial bodies</p> Signup and view all the answers

    What is the primary reason why the gas giants are able to maintain their massive size?

    <p>They have stronger gravitational forces</p> Signup and view all the answers

    What is the characteristic of the storms on Neptune?

    <p>They are highly intense</p> Signup and view all the answers

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