1. Science final exam
Study Guide

2. Bacteria are grouped into two kingdoms, archaebacteria and _____________.

3. Eubacteria

4. A cell that lacks a nucleus is called _________.

5. Prokaryotic

6. _________ break down molecules that your body cannot break down.

7. Bacteria

8. ________ are used to kill large blooms of cyanobacteria in ponds & lakes.

9. antiseptics

10. Bacteria that cause diseases are known as ___________.

11. pathogens

12. Some bacteria produce thick walls around themselves called ___________.

13. endospores

14. What do bacteria NEVER have?

15. Membrane-bound organelles

16. Rod-shaped bacteria are called ________.

17. Bacilli

18. Which scientist was the 1st to observe bacteria using a microscope?

19. Antonie van leeuwenhoek

20. The gel-like substance covering some cyanobacteria enables them to _______________.

21. Live together in colonies

22. The type of bacteria which live in the intestinal tract of humans is _______.

23. eubacteria

24. Decomposing bacteria is called _______.

25. saprophytes

26. Name 3 main types of shapes of bacteria.

27. Rod, spiral, sphere

28. Through what asexual process can bacteria reproduce?

29. Fission

30. Since bacteria need to live in moist conditions, bacteria cannot live in food that has been _________ because the water has been removed.

31. Dehydrated

32. Another name fro the ring of dna inside bacteria is called ____________

33. ribosomes

34. A common name for cyanobacteria is _________ bacteria.

35. Blue-green

36. _________ are bacteria that live in extreme conditions.

37. Archaebacteria

38. An organism that lives in or inside a host is a ___________.

39. Parasite

40. Two foods that are made using helpful bacteria are ___________.

41. Sauerkraut & cheese

42. _________ is a disease you can get from eating contaminated canned foods.

43. botulism

44. Which planet has an atmosphere of thick clouds that trap solar energy and can get as hot as 470 degrees celsius?

45. venus

46. How many galaxies could be in the universe?

47. 100 billion

48. Groups of stars that form patterns in the sky are ______________.

49. constellations

50. The great red spot refers to ___________________.

51. A giant storm on jupiter

52. The outer planets are often called ___________.

53. Gas planets

54. A large body of frozen ice and rock that travels toward the center of the solar system is a ________.

55. Comet

56. Give an example of a planet that supports life.

57. earth

58. A(n) _____________ is equal to 150 million km and is used to measure long distances.

59. Astronomical unit

60. The Earth gets between the Sun and the moon during a ___________.

61. Lunar eclipse

62. During a solar eclipse the ________ moves between the sun and the earth.

63. moon

64. Phases grow bigger during a _______moon

65. waxing

66. Phases are growing smaller during a _______ moon.

67. waning

68. The rotation of the earth on its axis causes ____________.

69. Day & Night

70. What is known as the brightest star in the sky?

71. sirius

72. What season is it when your part of the earth is tilted toward the sun?

73. summer

74. What season is it when your part of the earth is tilted away from the sun?

75. winter

76. What is caused by the tilt of the earth and the earth’s revolution?

77. seasons

78. What is the spinning of earth on its axis called?

79. rotation

80. How long does it take the moon to revolve around the earth?

81. 27.3 days

82. How long does it take for the earth to revolve one time around the sun?

83. 365 days

84. How long does it take the earth to rotate on its axis one time?

85. 24 hours

86. The movement of earth around the sun is called its __________.

87. revolution

88. Earth is part of the ___________ galaxy.

89. Milky way

90. The ____________ separates the inner and outer planets.

91. Asteroid belt

92. ________ is often called the red planet.

93. mars

94. The inner planets are mostly ______________.

95. Solid & made of minerals

96. Our __________ is made up of nine planets and numerous other objects that orbit the sun.

97. Solar system

98. The sun is the center of the ____________.

99. Solar system

100. Which of the following takes the least amount of time:
Earth rotates once
Earth revolves once
The moon revolves once
They all take the same amount of time

101. Earth rotates once