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Transcript
Name Date The Solar System Section 3 The Outer Planets Skim the headings in Section 3. Write three questions that come to mind. Accept all reasonable responses. 1. How do the outer planets differ from the inner planets? 2. What features do the outer planets have? 3. What are comets? Review Vocabulary Define space probe to show its scientific meaning. space probe instrument that is sent to space to gather information Sedna unofficial name for object 2003 VB12, a distant planetoid with a very elliptical orbit meteoroid rocky solar system object that often is a piece from a comet or an asteroid Saturn Neptune dwarf planet asteroid 382 second-largest planet and sixth from the Sun; has the most complex system of rings eighth planet from the Sun; has storms similar to Jupiter’s and appears blue because of atmospheric methane nearly round object that orbits the Sun, is not a satellite, and has not cleared its orbit of debris rocky solar system object of widely varying size often found between the orbits of Mars and Jupiter comet mass of dust, rock particles, frozen water, methane, and ammonia that travels through space and develops a bright, distinctive tail as it approaches the Sun Uranus seventh planet from the Sun; appears blue-green because of atmospheric methane; axis of rotation is tilted on its side Jupiter largest and fifth planet from the Sun; has continuous, swirling, high-pressure gas storms, the largest of which is the Great Red Spot The Solar System Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. New Vocabulary Write the vocabulary term that matches each definition. Name Date Section 3 The Outer Planets Why are the outer planets so different? I found this information on page . (continued) Contrast the main difference between the outer planets and the inner planets. The outer planets are giant planets; the inner planets are small, rocky planets. FL SE,SE, p. 963 RE, p. 557 Jupiter and Saturn I found this information on page . FL SE, SE, pp. 963–965 RE, pp. 557–559 Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. FL RE, pp. 129–131 Uranus and Neptune I found this information on page . FL SE, p. 235SE, p. 966 RE, p. 560 Organize information about Jupiter and Saturn in the table. Accept all reasonable responses. Feature Relative size Jupiter Saturn largest planet second-largest planet Sequence fifth from Sun sixth more than 60; four as Number of moons large as some planets at least 60 Special features has largest and most complex ring system surrounded by colorful clouds; notable storm known as Great Red Spot Compare and contrast Uranus and Neptune. Complete the Venn diagram with at least nine different facts. Uranus 27 moons FL RE, p. 132 axis of rotation tilted on side planet has blue-green color Both large planets of similar size Neptune at least 13 moons rings atmosphere of hydrogen, helium, and methane few storm systems bluer color than Uranus The Solar System 383 Name Date Section 3 The Outer Planets List the three things that define dwarf planets. I found this information on page . 1. they are round objects FL SE, p. 236SE, p. 967 RE, p. 560 FL RE, pp. 132–133 2. they are not satellites of a planet and orbit the Sun Comets and Other Objects I found this information on page . FL SE, p. 236SE, p. 967 RE, p. 561 3. they have not cleared their orbits of debris Analyze comets, asteroids, meteoroids, and Sedna by completing the table. Body Comet mass of dust, rock particles, frozen water, methane, and ammonia that travels through space and develops a bright, distinctive tail as it approaches the Sun Asteroid rocky solar system object of widely varying size often found between the orbits of Mars and Jupiter in an area called the asteroid belt Meteoroid rocky solar system object that often is debris from a comet or asteroid Sedna unofficial name for object 2003 VB12, a distant planetoid with a very elliptical orbit FL RE, pp. 133–134 CONNECT IT Description Describe why scientists are puzzled about how to classify Sedna. Accept all reasonable responses. Sedna is larger than Kuiper Belt comets but smaller than a planet. 384 The Solar System Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Dwarf planets (continued)