Name _ Date _ Period _ Intro to Earth Science Chapter 23 Study Guide 1. is the planet that cannot be classified as either a terrestrial or a Jovian planet. 2. The densities of the planets are about five times the density of water. 3. A planet s ability to retain an atmosphere depends on its and temperature. 4. A cloud of dust and gas in space is called a(n). 5. Planets originally formed when bits of matter collided and clumped together to form. 6. Because of its similarities to Earth, the planet has been called Earth s twin. 7. The Martian polar caps are made of, covered by a thin layer of frozen. 8. Although the atmosphere of is very thin, extensive dust storms with wind speeds in excess of 270 kilometers per hour do occur. 9. With at least 28 moons, the planet and its satellites resemble a miniature solar system. 10. The most prominent feature of is its system of rings. 11. are small rocky bodies that have been likened to flying mountains. 12. The total mass of all asteroids is estimated to be only 1/1000 that of. 13. Label the items pointed out in Figure 23-1. 14. A meteoroid that reaches Earth s surface is called a(n). Intro to Earth Science Chapter 23 study guide 1
Name _ Date _ Period _ 15. Which planets are known to have rings? _ 16. Which planets are the Jovian planets? 17. Which planets are the terrestrial planets? 18. What are the most obvious differences between the terrestrial and the Jovian planets? 19. What are the characteristics of the Jovian planets? _ 20. What are the characteristics of the terrestrial planets? _ 21. In an astronomical sense, what is an ice? _ 22. What was the huge cloud of dust and gases that formed the solar system called? _ 23. What astronomical objects are not parts of our solar system? 24. Which planet shows evidence of water erosion? 25. Which planet has a cratered surface similar to Earth s moon? _ 26. Which planet has the greatest temperature extremes? _ Intro to Earth Science Chapter 23 study guide 2
Name _ Date _ Period _ 27. Which planet has a dense carbon dioxide atmosphere and high surface temperatures? 28. On which thickly clouded planet has radar mapping revealed a varied topography consisting of plains, highlands, and thousands of volcanic structures? _ 29. What is the atmosphere of Venus composed of? _ 30. On which planet would Mons Olympus, a volcano the size of Ohio, be found? _ 31. Which planet, when viewed through a telescope, appears as a reddish ball interrupted by some permanent dark regions that change intensity? _ 32. What process is currently responsible for the shaping of Mars surface? 33. Which features on Mars point to the possibility of liquid water on the planet? 34. Which planet is second only to the moon in brilliance in the night sky? _ 35. Which planet has a greater mass than the combined mass of all the remaining planets and their moons? _ 36. Which of Jupiter s moons is volcanically active? 37. Which planet might best be described as a large, dirty iceball? _ 38. Which planet is associated with the Great Dark Spot? 39. What is the smallest planet? _ 40. Which planet s axis of rotation lies nearly parallel with the plane of its orbit? _ 41. According to a relatively recent discovery, which planet has one satellite? _ 42. Which moon has a substantial atmosphere? 43. Where does the lowest surface temperature in the solar system occur? 44. What characteristic distinguishes Neptune from the other planets? _ 45. What is it believed Jupiter s Great Red Spot is? _ 46. What are Jupiter s characteristics? 47. Which satellite of Uranus has the greatest variety of landforms of any satellite yet examined? 48. The relatively small, rocky bodies generally found orbiting between Mars and Jupiter are known as what? _ Intro to Earth Science Chapter 23 study guide 3
Name _ Date _ Period _ 49. What feat did the spacecraft Near Shoemaker accomplish? _ 50. Where are most asteroids found? 51. What direction does a comet s tail always point? _ 52. What is the glowing head of a comet known as? _ 53. Comets with short orbital periods are located in what region? _ 54. What are the small particles that produce a streak of light upon entering Earth s atmosphere called? 55. The remains of extraterrestrial particles that are found on Earth s surface are called what? _ 56. What are most meteor showers associated with? Additional notes: Intro to Earth Science Chapter 23 study guide 4
Name _ Date _ Period Intro to Earth Science Chapter 23 study guide 5