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Physical Science > Chapter 14 > Flashcards

Chapter 14 Flashcards

(96 cards)

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0
Q

What increases as the KE of an object increases?

A

The temperature of an object

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1
Q

-a measure of how hot or cold something is; specifically, a measure of the average KE of the particles in an object

A

Temperature

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2
Q

What do common thermometers rely on?

A

Expansion

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3
Q

-an instrument that measures and indicates temperature

A

Thermometer

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4
Q

Are all thermometers the same?

A

No, they are all beautiful and special because they were created by God.
Ex. Refrigerator

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5
Q

What are two common scales used for measuring temperature?

A

Fahrenheit and Celsius

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6
Q

A degree Celsius is ___ times larger than a degree Fahrenheit.

A

1.8

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7
Q

Fahrenheit=

A

[(1.8)(Celsius)] + 32

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8
Q

Celsius=

A

(Fahrenheit - 32)/1.8

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9
Q

What is the Kelvin scale based on?

A

Absolute Zero

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10
Q

-the temperature at which molecular energy is at a minimum (zero)

A

Absolute Zero

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11
Q

Kelvin=

A

Celsius + 273

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12
Q

Does the Kelvin scale have negative numbers?

A

Nah

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13
Q

What are the boiling and freezing points of Celsius?

A

100°

0°

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14
Q

What are the boiling and freezing points of Fahrenheit?

A

212°

32°

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15
Q

What are the boiling and freezing points of Kelvin?

A

373°

273°

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16
Q

-the energy transferred between objects that are at different temperatures

A

Heat

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17
Q

The transfer of energy is always from the ____ temperature substance to the _____ temperature substance.

A

Higher

Lower

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18
Q

Three methods of heat energy transfer:

A

Conduction
Convection
Radiation

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19
Q

______ is the transfer of energy as heat moves through a material.

A

Thermal conduction

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20
Q

-involves objects in direct contact with one another

A

Conduction

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21
Q

-results from the movement of warm fluids

A

Convection

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22
Q

-the movement of matter due to differences in density caused by temperature variations

A

Convection

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23
Q

-the vertical movement of fluid currents due to temperature variations

A

Convection Currents

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24
Give an example of a convection current.
Warm air rising and cool air sinking
25
Does radiation require contact with objects.
You bet your not.
26
-the energy that is transferred as electromagnetic waves
Radiation
27
-reduces energy flow
Insulator
28
-a material through which heat energy can be easily transferred
Conductor
29
-the quantity of heat required to raise a unit of mass of homogeneous material of 1°C or 1 K in specified way given constant pressure and volume
Specific Heat
30
SI unit for specific heat
J/kg*K
31
-means that this is the amount of energy in Joules needed to raise the temperature of 1 kg of the substance by exactly 1K
Specific heat energy transfer
32
Specific heat formula
E=cm(delta)t or | Energy= Specific Heat * Mass * Temperature change
33
Three methods of heat energy transfer:
Conduction Convection Radiation
34
______ is the transfer of energy as heat moves through a material.
Thermal conduction
35
-involves objects in direct contact with one another
Conduction
36
-results from the movement of warm fluids
Convection
37
-the movement of matter due to differences in density caused by temperature variations
Convection
38
-the vertical movement of fluid currents due to temperature variations
Convection Currents
39
Give an example of a convection current.
Warm air rising and cool air sinking
40
Three methods of heat energy transfer:
Conduction Convection Radiation
41
______ is the transfer of energy as heat moves through a material.
Thermal conduction
42
-involves objects in direct contact with one another
Conduction
43
-results from the movement of warm fluids
Convection
44
-the movement of matter due to differences in density caused by temperature variations
Convection
45
-the vertical movement of fluid currents due to temperature variations
Convection Currents
46
Give an example of a convection current.
Warm air rising and cool air sinking
47
Three methods of heat energy transfer:
Conduction Convection Radiation
48
______ is the transfer of energy as heat moves through a material.
Thermal conduction
49
-involves objects in direct contact with one another
Conduction
50
-results from the movement of warm fluids
Convection
51
-the movement of matter due to differences in density caused by temperature variations
Convection
52
-the vertical movement of fluid currents due to temperature variations
Convection Currents
53
Give an example of a convection current.
Warm air rising and cool air sinking
54
Three methods of heat energy transfer:
Conduction Convection Radiation
55
______ is the transfer of energy as heat moves through a material.
Thermal conduction
56
-involves objects in direct contact with one another
Conduction
57
-results from the movement of warm fluids
Convection
58
-the movement of matter due to differences in density caused by temperature variations
Convection
59
-the vertical movement of fluid currents due to temperature variations
Convection Currents
60
Give an example of a convection current.
Warm air rising and cool air sinking
61
Three methods of heat energy transfer:
Conduction Convection Radiation
62
______ is the transfer of energy as heat moves through a material.
Thermal conduction
63
-involves objects in direct contact with one another
Conduction
64
-results from the movement of warm fluids
Convection
65
-the movement of matter due to differences in density caused by temperature variations
Convection
66
-the vertical movement of fluid currents due to temperature variations
Convection Currents
67
Give an example of a convection current.
Warm air rising and cool air sinking
68
Three methods of heat energy transfer:
Conduction Convection Radiation
69
______ is the transfer of energy as heat moves through a material.
Thermal conduction
70
-involves objects in direct contact with one another
Conduction
71
-results from the movement of warm fluids
Convection
72
-the movement of matter due to differences in density caused by temperature variations
Convection
73
-the vertical movement of fluid currents due to temperature variations
Convection Currents
74
Give an example of a convection current.
Warm air rising and cool air sinking
75
Three methods of heat energy transfer:
Conduction Convection Radiation
76
______ is the transfer of energy as heat moves through a material.
Thermal conduction
77
-involves objects in direct contact with one another
Conduction
78
-results from the movement of warm fluids
Convection
79
-the movement of matter due to differences in density caused by temperature variations
Convection
80
-the vertical movement of fluid currents due to temperature variations
Convection Currents
81
Give an example of a convection current.
Warm air rising and cool air sinking
82
Three methods of heat energy transfer:
Conduction Convection Radiation
83
______ is the transfer of energy as heat moves through a material.
Thermal conduction
84
-involves objects in direct contact with one another
Conduction
85
-results from the movement of warm fluids
Convection
86
-the movement of matter due to differences in density caused by temperature variations
Convection
87
-the vertical movement of fluid currents due to temperature variations
Convection Currents
88
Give an example of a convection current.
Warm air rising and cool air sinking
89
Three methods of heat energy transfer:
Conduction Convection Radiation
90
______ is the transfer of energy as heat moves through a material.
Thermal conduction
91
-involves objects in direct contact with one another
Conduction
92
-results from the movement of warm fluids
Convection
93
-the movement of matter due to differences in density caused by temperature variations
Convection
94
-the vertical movement of fluid currents due to temperature variations
Convection Currents
95
Give an example of a convection current.
Warm air rising and cool air sinking

Physical Science (9 decks)

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