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4. 100 200 300 400 500 StarsStars II Galaxies The Universe Astronomy Vocab 1

5. The color of a star depends on its’? a. size. b. temperature. c. shape. d. magnitude. A 100

6. b.temperature. A 100

7. What can a scientist learn about a star from its’ spectrum? a. its’ color. b. its’ size. c. its’ composition and temperature. d. its’ age. A 200

8. c. Its’ composition & temperature A 200

9. A 300 What color are the hottest stars? a. red. b. orange. c. yellow. d. blue.

10. A 300

11. The H-R Diagram shows the relationship of a star’s surface temperature and its’? a.color. b.size. c.apparent magnitude. d.absolute magnitude. A 400

12. d. absolute magnitude A 400

13. Which of the following shows the sequence of a star’s life cycle from its earliest stage to its latest stage? a.white dwarf, main sequence, red giant b.main sequence, red giant, white dwarf c.red giant, white dwarf, main sequence d.main sequence, white dwarf, red giant A 500

14. b. main sequence, red giant, white dwarf A 500

15. Which of the following statements is NOT true? a.New stars form in some nebulas. b. New stars form in a few elliptical galaxies. c. New stars form in most globular clusters. d. New stars form in the spiral arms of spiral galaxies. B 100

16. c. New stars form in most globular clusters B 100

17. Which of the following is true? a.New stars form from the material of old stars. b.A star does not change its’ size or temperature during its’ life. c.The shortest stage in a star’s life cycle is the main sequence. d.When a star dies, none of its material returns to space. B 200

18. a. New stars form from the material of old stars. B 200

19. Which of the following is the hottest? a.A red giant superstar. b.A small white dwarf star. c.A main-sequence yellow star. d.A main-sequence blue star. B 300

20. d. A main-sequence blue star. B 300

21. What type of star has used up all of its’ hydrogen and is the leftover center of an older star? a.Red giant b.Supernova c.White dwarf d.Main sequence B 400

22. c. White dwarf B 400

23. What is a very bright, star-like object that generates immense energy? a. nebula b. galaxy c. quasar d. open cluster B 500

24. c. quasar B 500

25. All of the following are galaxies EXCEPT? a.Spiral galaxy b.Irregular galaxy c.Elliptical galaxy d.Triangular galaxy C 100

26. d. Triangular galaxies C 100

27. Why do scientists study distant galaxies? a.To learn what galaxies are made of. b.To learn what early galaxies look like. c.To learn about space travel. d.To learn about the speed of light. C 200

28. b. To learn what early galaxies looked like. C 200

29. Scientists think that the Milky Way is probably? a. an irregular galaxy. b. an elliptical galaxy. c. a spiral galaxy. d. a nebula. C 300

30. c. A spiral galaxy C 300

31. C 400 Which of the following are large clouds of gas & dust? a.A nebula b.A galaxy c.A neutron star d.A globular cluster

32. C 400 A. A nebula

33. What classification do astronomers use for galaxies? a. size. b. age. c. color. d. shape. C 500

34. d. shape C 500

35. What is cosmology? a.The study of the solar system. b.The study of the universe’s origin, structure, and future. c.The study of the makeup of stars. d.The study of space travel. D 100

36. b. The study of the universe’s origin, structure, and future. D 100

37. Which of the following big bang theories explains how the universe began? a. as a cloud of gases. b. as a sea of gases. c. with a small explosion. d. with a big explosion. D 200

38. d. with a big explosion D 200

39. Which of the following statements is true? a.The universe is expanding outward. b.The universe is getting smaller everyday. c.The universe contracts and expands on a regular basis. d.Scientists do not know if the universe is getting larger or smaller. D 300

40. a.The universe is expanding outward. D 300

41. How are objects organized in the universe? a.Objects are scattered through space according to a random pattern. b.Objects are organized according to a loosely repeated pattern and are part of a larger system. c.Objects are organized according to a loosely repeated pattern but are not part of any other system. d.Objects are not organized in any particular way. D 400

42. b. Objects are organized according to a loosely repeated pattern and are part of a larger system. D 400

43. According to the big bang theory, the universe is about? a.470 billion years old. b.500 billion years old. c.4.7 billion years old. d.13.7 billion years old. D 500

44. d. 13.7 billion years old. D 500

45. Why do scientists study distant galaxies to learn about early galaxies? a.Distant galaxies are just beginning to form, so they are very similar to early galaxies. b. Distant galaxies share many characteristics with early galaxies. c. Distant galaxies have not changed as much as close galaxies, so they are most similar to early galaxies. d. Because it takes a long time for light to travel through space, looking at distant galaxies shows what early galaxies looked like. E 100

46. d. Because it takes a long time for light to travel through space, looking at distant galaxies shows what early galaxies looked like. E 100

47. What can escape a black hole? E 200

48. Nothing!! E 200

49. What is a large grouping of stars in space? a.galaxy. b.nebular. c.quasar. d.open cluster. E 300

50. a. galaxy. E 300

51. What is a tight group of stars that looks like a ball? a.open cluster. b.globular cluster. c.quasar. d.nebula. E 400

52. b. Globular cluster E 400

53. What is a group of closely grouped stars? a.open cluster b.globular cluster c.galaxy d.nebula E 500

54. a. Open cluster. E 500

55. What is a spinning neutron star that emits rapid pulses of radio and optical energy? a.neutron star b.pulsar c.Black hole d.supernova F 100

56. b. pulsar F 100

57. What is a gigantic explosion that causes the death of a large star? a.pulsar. b. neutron star. c. black hole. d. supernova. F 200

58. d. supernova F 200

59. What is a star in which the electrons & protons have become neutrons? a. pulsar b. neutron star c. black hole d.White dwarf F 300

60. b. Neutron star F 300

61. What is a star that expands and cools once it runs out of hydrogen? a.Supernova b.White dwarf c.Red giant d.Neutron star F 400

62. c. Red giant. F 400

63. Thank You for Playing Jeopardy!