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Review 3 Chap 11 Chap. 12 Chap. 13 Chap. 14 Mixed Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 $100 Question Ch11 Why are there no impacts in the surface of Io? A) It is too small to have been bombarded by planetesimals B) Jupiter s strong gravity attracted planetesimals more strongly than Io and thus it didn t get impacts C) Io had impact craters, but they have been buried by lava flows D) Any craters that existed have been eroded through strong winds in Io s surface $100 Answer Ch11 Why are there no impacts in the surface of Io? A) It is too small to have been bombarded by planetesimals B) Jupiter s strong gravity attracted planetesimals more strongly than Io and thus it didn t get impacts C) Io had impact craters, but they have been buried by lava flows D) Any craters that existed have been eroded through strong winds in Io s surface BACK $200 Question Ch11 How do astronomers think Jupiter generates its internal heat A) radioactive decay B) internal friction due to its high rotation C) chemical processes D) fussion in its core D) by changing gravitational potential energy into thermal energy $200 Answer Ch11 How do astronomers think Jupiter generates its internal heat A) radioactive decay B) internal friction due to its high rotation C) chemical processes D) fussion in its core D) by changing gravitational potential energy into thermal energy BACK $300 Question Ch11 Why is Saturn almost as big as Jupiter? (A) Jupiter s greater mass compresses it more and increases its density (B) Saturn s rings make the planet look bigger (C) Saturn is as massive as Jupiter (D) Saturn has a larger amount of hydrogen and helium and it is less dense $300 Answer Ch11 Why is Saturn almost as big as Jupiter? (A) Jupiter s greater mass compresses it more and increases its density (B) Saturn s rings make the planet look bigger (C) Saturn is as massive as Jupiter (D) Saturn has a larger amount of hydrogen and helium and it is less dense BACK $400 Question Ch11 Why do the jovian planet interiors differ A) The more distant planets formed in a cooler region of the solar nebula and contain as much hydrogen but greater proportion of ices B) They differ due to giant impacts at the late stages of planet formation C) The closer planets formed their cores first and captured more of the gasses D) The more distant planets had longer to form since the solar nebula lasted longer at greater distances from the Sun $400 Answer Ch11 Why do the jovian planet interiors differ A) The more distant planets formed in a cooler region of the solar nebula and contain as much hydrogen but greater proportion of ices B) They differ due to giant impacts at the late stages of planet formation C) The closer planets formed their cores first and captured more of the gasses D) The more distant planets had longer to form since the solar nebula lasted longer at greater distances from the Sun BACK $500 Question Ch11 Why does Jupiter have several distinct layers? A) Clouds form randomly so on average there are always several layers B) Different layers represent different regions where the temperature is cool enough for water to condense C) Different layers represent clouds made of gases that condense at different temperatures D) Winds prevent clouds from forming at some altitudes, so we see only clouds at the other altitudes E) Different gases are present at different altitudes in Jupiter’s atmosphere $500 Answer Ch11 Why does Jupiter have several distinct layers? A) Clouds form randomly so on average there are always several layers B) Different layers represent different regions where the temperature is cool enough for water to condense C) Different layers represent clouds made of gases that condense at different temperatures D) Winds prevent clouds from forming at some altitudes, so we see only clouds at the other altitudes E) Different gases are present at different altitudes in Jupiter’s atmosphere BACK $100 Question Ch12 Saturn’s rings are believed to be composed of A) frozen hydrogen B) a liquid disk C) a solid disk of frozen methane D) small bodies of rock and ice $100 Answer Ch12 Saturn’s rings are believed to be composed of A) frozen hydrogen B) a liquid disk C) a solid disk of frozen methane D) small bodies of rock and ice BACK $200 Question Ch12 Saturn’s Moon Titan is unusual in that it A) has dry ice (frozen carbon dioxide) clouds B) has active volcanoes C) is much larger than any other satellite D) has an extensive atmosphere E) is the coldest satellite $200 Answer Ch12 Saturn’s Moon Titan is unusual in that it A) has dry ice (frozen carbon dioxide) clouds B) has active volcanoes C) is much larger than any other satellite D) has an extensive atmosphere E) is the coldest satellite BACK $300 Question Ch12 The reason Saturn lost very little of its original atmosphere is due to its A) many moons B) strong magnetic field C) ring system D) large mass E) rapid rotation $300 Answer Ch12 The reason Saturn lost very little of its original atmosphere is due to its A) many moons B) strong magnetic field C) ring system D) large mass E) rapid rotation BACK $400 Question Ch12 What has caused the gaps in the rings of Saturn? A) the material at those locations formed into the large moons of Saturn B) large moons have moved through the rings at those positions creating the holes C) Roche’s law says that material cannot exist at the position of the gaps D) Gravitational encounter between the ring material and small shepherd moons in orbit around Saturn E) The material at these positions is very dark and absorbing compared to the highly reflective material in other regions $400 Answer Ch12 What has caused the gaps in the rings of Saturn? A) the material at those locations formed into the large moons of Saturn B) large moons have moved through the rings at those positions creating the holes C) Roche’s law says that material cannot exist at the position of the gaps D) Gravitational encounter between the ring material and small shepherd moons in orbit around Saturn E) The material at these positions is very dark and absorbing compared to the highly reflective material in other regions BACK $500 Question Ch12 ________________in Saturn’s rings is/are produced by the gravitational interaction of Mimas with the particles in the rings and appears as a large gap A) Spokes B) Cassini’s division C) The Io torus D) Spiral density waves E) Bending waves $500 Answer Ch12 ________________in Saturn’s rings is/are produced by the gravitational interaction of Mimas with the particles in the rings and appears as a large gap A) Spokes B) Cassini’s division C) The Io torus D) Spiral density waves E) Bending waves BACK $100 Question Ch13 Uranus and Neptune do not contain liquid metallic hydrogen because A) they are not massive enough B) they do not contain enough hydrogen C) they are too far from the sun D) they have very weak magnetic fields $100 Answer Ch13 Uranus and Neptune do not contain liquid metallic hydrogen because A) they are not massive enough B) they do not contain enough hydrogen C) they are too far from the sun D) they have very weak magnetic fields BACK $200 Question Ch13 In terms of axial tilt which of the jovians shows us the largest inclination A) Pluto B) Jupiter C) Uranus D) Neptune E) Saturn $200 Answer Ch13 In terms of axial tilt which of the jovians shows us the largest inclination A) Pluto B) Jupiter C) Uranus D) Neptune E) Saturn BACK $300 Question Ch13 The masses of Neptune and Uranus were first determined by A) observations of the motions of their satellites B) observations of their motions around the Sun C) their densities divided by their volumes D) their compositions $300 Answer Ch13 The masses of Neptune and Uranus were first determined by A) observations of the motions of their satellites B) observations of their motions around the Sun C) their densities divided by their volumes D) their compositions BACK $400 Question Ch13 Why are Neptune and Uranus blue and what is the Great Dark Spot? (a) The two planets are blue because of hydrogen in their atmosphere and the Dark Spot is a hurricane that comes and goes in Jupiter (b) The two planets are blue because of methane and the Dark Spot is a place where dark particles from the ring system impact Neptune (c) The two planets are blue because of methane and the Dark Spot is a long-lived high-pressure storm on Neptune (d) The two planets are blue because of hydrogen and the Dark Spot is a long-lived high-pressure storm on Uranus $400 Answer Ch13 Why are Neptune and Uranus blue and what is the Great Dark Spot? (a) The two planets are blue because of hydrogen in their atmosphere and the Dark Spot is a hurricane that comes and goes in Jupiter (b) The two planets are blue because of methane and the Dark Spot is a place where dark particles from the ring system impact Neptune (c) The two planets are blue because of methane and the Dark Spot is a long-lived high-pressure storm on Neptune (d) The two planets are blue because of hydrogen and the Dark Spot is a long-lived high-pressure storm on Uranus BACK $500 Question Ch13 Small deviations in a planet’s orbital motion A) show the planet’s orbit isn’t stable B) imply the nearby presence of a massive body C) show we don’t fully understand gravitational forces yet D) indicate the presence of a strong magnetic field E) indicate the presence of an extensive atmosphere $500 Answer Ch13 Small deviations in a planet’s orbital motion A) show the planet’s orbit isn’t stable B) imply the nearby presence of a massive body C) show we don’t fully understand gravitational forces yet D) indicate the presence of a strong magnetic field E) indicate the presence of an extensive atmosphere BACK $100 Question Ch14 Which of the following statements about comets and asteroids is true A) Only asteroids collide with Earth B) Comets are mostly ice while asteroids are mostly rock and metals C) All asteroids lie in the asteroid belt between the orbits of Mars and Jupiter D) All comets are located in the Kuiper Belt beyond the orbit of Neptune $100 Answer Ch14 Which of the following statements about comets and asteroids is true A) Only asteroids collide with Earth B) Comets are mostly ice while asteroids are mostly rock and metals C) All asteroids lie in the asteroid belt between the orbits of Mars and Jupiter D) All comets are located in the Kuiper Belt beyond the orbit of Neptune BACK $200 Question Ch14 A typical shooting star in a meteor shower is caused by a ____________ entering Earth s atmosphere A) boulder-size particle from asteroid B) boulder-size particle from comet C) pea-size particle from asteroid D) pea-size particle from comet $200 Answer Ch14 A typical shooting star in a meteor shower is caused by a ____________ entering Earth s atmosphere A) boulder-size particle from asteroid B) boulder-size particle from comet C) pea-size particle from asteroid D) pea-size particle from comet BACK $300 Question Ch14 Which part of a comet always points most directly away from the Sun? Explain each part A) the nucleus B) the coma C) the ion/gas tail D) the dust tail $300 Answer Ch14 Which part of a comet always points most directly away from the Sun? Explain each part A) the nucleus B) the coma C) the ion/gas tail D) the dust tail BACK $400 Question Ch14 Where are Trojan asteroids located? A) surrounding Jupiter B) along the orbits of some planets C) on orbits that cross Earth s orbit D) in the asteroid belt $400 Answer Ch14 Where are Trojan asteroids located? A) surrounding Jupiter B) along the orbits of some planets C) on orbits that cross Earth s orbit D) in the asteroid belt BACK $500 Question Ch14 The Roche limit is A) the distance from the sun within which a planet cannot retain an atmosphere B) the minimum mass of an object in the solar system that would be classified as a planet C) the maximum separation distance between the sun and a given planet D) the distance from a planet within which an object cannot hold itself together $500 Answer Ch14 The Roche limit is A) the distance from the sun within which a planet cannot retain an atmosphere B) the minimum mass of an object in the solar system that would be classified as a planet C) the maximum separation distance between the sun and a given planet D) the distance from a planet within which an object cannot hold itself together BACK $100 Question from Mixed Most asteroids are found: A) beyond the orbit of Neptune B) between the Earth and the Sun C) between the orbits of Mars and Jupiter D) in the orbit of Jupiter, but 60 degrees ahead of it or behind it $100 Answer Mixed Most asteroids are found: A) beyond the orbit of Neptune B) between the Earth and the Sun C) between the orbits of Mars and Jupiter D) in the orbit of Jupiter, but 60 degrees ahead of it or behind it BACK $200 Question from Planets 3 Which planet has a ring system? A) Jupiter B) Saturn C) Uranus D) Neptune E) all of the above $200 Answer from Planets 3 Which planet has a ring system? A) Jupiter B) Saturn C) Uranus D) Neptune E) all of the above BACK $300 Question from Planets 3 Conservation of angular momentum means that a spinning body tend to A) fly apart B) slow down C) keep spinning D) gravitationally collapse $300 Answer from Planets 3 Conservation of angular momentum means that a spinning body tend to A) fly apart B) slow down C) keep spinning D) gravitationally collapse BACK $400 Question from Planets 3 The Dynamo Theory holds that A) lightning plays a major role in generating magnetic fields B) magnetic fields are generated by rapidly spinning, fluid magnetic interiors C) the Earth magnetic field must switch polarities every few million years D) the Earth s core, like Mercury s, is now a solid, rigid bar magnet $400 Answer from Planets 3 The Dynamo Theory holds that A) lightning plays a major role in generating magnetic fields B) magnetic fields are generated by rapidly spinning, fluid magnetic interiors C) the Earth magnetic field must switch polarities every few million years D) the Earth s core, like Mercury s, is now a solid, rigid bar magnet BACK $500 Question from Planets 3 What are the major factors that rule out the co-formation theory for the Moon and Earth? A) Each body has different atmospheric content and a different density B) Each body has different surface features and different atmospheric content C) Each body has different chemical composition and different surface features D) Each body has a different density and a different chemical composition $500 Answer from Planets 3 What are the major factors that rule out the co-formation theory for the Moon and Earth? A) Each body has different atmospheric content and a different density B) Each body has different surface features and different atmospheric content C) Each body has different chemical composition and different surface features D) Each body has a different density and a different chemical composition BACK