CHAPTER Name Date Class WORKSHEET The Planets 14 Solar System Directions: Answer the following questions on the lines provided. 1. Name the two models of the solar system and explain the difference between them. Historical vs present (see pg. 71) _____________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ 2. State what scientists hypothesize regarding the formation of the Sun and the planets. (see pg. 72–73) _____________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ Directions: In the chart below, list the discoveries about the solar system made by each scientist. 3. Copernicus Heliocentric Model or Proved the Heliocentic Model and 4. Galileo 5. Kepler 6. Einstein 2013 Book J Astronomy Time/Space Continuium, how stars are powered by fusion and the fight with gravity, how gravity bends light Glencoe McGraw-Hill 3-1 CHAPTER 3 The Planets continued pg. 2 Section 2 The Inner Planets Directions: Write the names of the inner planets as headings in the chart in the order of their position from the Sun. Then fill in the chart using information from your textbook. Planet 1. 5. Size and composition Planet 2. Atmosphere 6. 7. 8. 10. 11. 12. Temperatures 14. greenhouse effect temp of 17. 18. Surface features 21. none 25. 2013 Book J Astronomy thin layers of CO2, some dense clouds of ___________ & sulfuric acid 13. Space probes Planet 4. small, solid & rocky 9. Moons (number/ names) Planet 3. Mariner 10 22. nitrogen & argon 15. allows H2O to 16. exist in all states –50°to 40°C 19. 20. oceans, land masses, polar ice caps volcanoes, reddish-yellow rocks, rifts, craters, _____________ _____________ 23. 24. 27. 28. none 26. Mariner 2 Venera 7 Magellan Glencoe McGraw-Hill none Mariner 9 Mars Global Surveyor Mars Pathfinder & 3-1 CHAPTER 3 The Planets continued pg. 3 Section 3 The Outer Planets Directions: Write the names of the inner planets as headings in the chart in the order of their position from the Sun. Then fill in the chart using information from your textbook. Planet 5. Planet 6. Planet 7. Planet 8. Planet 9. Not a planet in 2006 1. Size and composition Large and gaseous 6. Atmosphere 11. Below the Atmosphere ocean of liquid hydrogen & helium, perhaps a core of ice & rock 2. 3. 4. 5. 7. 8. 9. 10. hydrogen, helium, ammonia, methane & water vapor 12. 2013 Book J Astronomy 14. 15. liquid water, methane, ammonia, rocky core. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. Io, Europa, Ganymede, Castillo + 62 more 26. Space probes 13. liquid water, methane, ammonia, rocky core. Notable features Moons (number/ names) hydrogen, helium, methane Voyager 1 & 2 27. thin dark rings, blue-green color, Cordella & Ophellia + 21 more 28. Voyager 2 Glencoe McGraw-Hill Charron + 1 more 29. 30. New Horizon 3-1 CHAPTER 3 The Planets continued pg. 4 How does Earth compare with other planets? This data table compares some physical properties of Earth and the other planets in our solar system. Diameter (Km) Distance from Sun (AU) Period of Rotation Period of Revolution (Earth days) Surface Number Temperature of Moons (°C) Mercury 4,878 0.39 58 days, 16 hrs 88 days -173 to 427 0 Venus 12,104 0.72 243 days 224 days, 17 hrs 464 0 Earth 12,756 1 -13 to 37 1 Mars 6,794 1.52 24 hrs, 37 min 1 yr, 322 days -123 to 37 2 Jupiter 142,984 5.2 9 hrs, 50 min 11 yrs 313 days -153 66 Saturn 120,536 9.54 10 hr, 30 min 29 yrs 155 days -185 35 Uranus 51,118 19.19 17 hrs, 14 min 83 yrs, 274 days -214 24 Neptune 49,532 30.07 16 hrs, 7 min 163 yrs, 263 days -225 11 2,290 39.48 6 days, 10 hrs -236 2 Pluto 23 hrs, 56 min 365 days, 6 hrs 248 yrs Note: that the table measures distance from the sun in astronomical units (AU). One astronomical unit is equal to Earth’s average distance from the sun, or 150 Km. Show What You Know 1. Identify two patterns you observe in the data table above. a. _______________________________________________________________ b. _______________________________________________________________ 2. Which planet is most like Earth? Explain your answer. _______________________ ________________________________________________________________ ________________________________________________________________ 2013 Book J Astronomy Glencoe McGraw-Hill 3-1
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