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INTRODUCTION UNIT TEST #2 (3085)
Multiple Choice: Choose the best answer for each question. Bubble in the correct space on the scan sheet.
51. The movement of energy from a hotter object to a cooler object is called
A. Heat
B. Temperature
C. Energy
D. Density
52. The ability to do work or create change is called _____?
A. Heat
B. Temperature
C. Energy
D. Density
Use the pictures to the right for questions 53-55
53. Which picture(s) best illustrates heat transfer by convection?
A. A
B. B
C. C
D. A and C
The arrows
54. Which picture(s) best illustrates heat transfer by conduction?
A. A
B. B
C. C
D. A and C
55. Which picture(s) best illustrates heat transfer by radiation?
A. A
B. B
C. C
D. B and C
Multiple Choice: Choose the best answer for each question. Bubble in the correct space on the scan sheet.
56. The energy of motion is called
A. Potential energy
B. Heat energy
C. Kinetic energy
D. Chemical energy
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57. As you raise the temperature of a substance, what happens to its molecules?
A. The molecules become larger, spread out and have more kinetic energy.
B. The molecules become smaller, contract and have less kinetic energy.
C. The molecules become faster, spread out and have more kinetic energy.
D. The molecules become slower, contract and have less kinetic energy.
58. Which statement correctly identifies how solid water is different from liquid water?
A. In solid water the molecules are farther apart.
B. Only in solid water are the molecules not polar.
C. In solid water the molecules are closer together.
D. Only in solid water do the molecules have spaces between them.
Use the pictures below for questions 59-62.
A
B
C
59. Rate the jars of molecules shown in the three different phases above from the least energetic to the most energetic
molecules.
A. (A, B, C)
B. (B, C, A)
C. (C, A, B)
D. (C, B, A)
60. Which of the states of matter above will not take the shape of its container?
A. A
B. B
C. C
D. A and B
61. Which jar of molecules vibrates in place?
A. A
B. B
C. C
D. A and B
62. Which of the states of matter above travels the fastest and farthest?
A. A
B. B
C. C
D. B and
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Matching:
63. Temperature at which a substance changes form a solid to a liquid
A. Solid
64. Temperature at which a substance changes from a liquid to a solid
B. Freezing point
65. Definite shape and definite volume
C. Liquid
66. No definite shape and no definite volume
D. Melting point
67. No definite shape and definite volume
E. Gas
Matching:
68. From a solid to a liquid
A. Energy gained
69. From a liquid to a gas
B. Energy lost
70. From a solid to a gas
C. No energy gained or lost
71. From a gas to a liquid
72. From a liquid to solid
Matching:
73. Process by which a liquid changes to a gas
A. Condensation
74. Process by which a solid changes to a gas
B. Sublimation
75. Process by which a gas changes to a liquid
C. Evaporation
76. Process by which a gas changes to a solid
D. Deposition
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Matching:
77. Burning paper
A. Chemical property
78. Color change
B. Physical property
79. Mass change
80. Ripening of fruit
81. Solid to liquid
82. Chemistry in a Ziploc lab
83. Change in temperature
Matching:
84. Heating up your dinner in a microwave
A. Exothermic
85. Chemistry in a Ziploc lab
B. Neither endothermic or exothermic
86. Hand warmers
C. Endothermic
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