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tiL12214_fm_i-xx.indd Page vii 25/10/10 8:58 AM user-f463 Volume/207/MHDQ243/tiL12214_disk1of1/0073512214/tiL12214_pagefile
4 Heat and 5 Wave Motions Electrostatic Forces 144
Force Fields 144
Temperature 85 and Sound 115 Electric Potential 145
6.2 Electric Current 146
The Electric Circuit 146
The Nature of Current 148
Electrical Resistance 150
Electrical Power and
Electrical Work 151
4.1 The Kinetic Molecular 5.1 Forces and Elastic Materials 116
People Behind the Science:
Theory 86 Forces and Vibrations 116
Benjamin Franklin 153
Molecules 86 Describing Vibrations 117
6.3 Magnetism 154
Molecules Interact 87 5.2 Waves 118
Magnetic Poles 154
Phases of Matter 87 Kinds of Mechanical
Magnetic Fields 154
Molecules Move 88 Waves 119
The Source of Magnetic
4.2 Temperature 89 Waves in Air 119
Fields 156
Thermometers 89 5.3 Describing Waves 120
6.4 Electric Currents and
Temperature Scales 90 5.4 Sound Waves 122
Magnetism 158
A Closer Look: Goose Bumps Sound Waves in Air
Current Loops 158
and Shivering 92 and Hearing 122
Applications of
4.3 Heat 92 Medium Required 122
Electromagnets 158
Heat as Energy Transfer 93 A Closer Look: Hearing
6.5 Electromagnetic Induction 161
Measures of Heat 94 Problems 123
A Closer Look: Current War 162
Specific Heat 94 Velocity of Sound in Air 123
Generators 162
Heat Flow 96 Refraction and
Transformers 162
Science and Society: Reflection 124
6.6 Circuit Connections 165
Require Insulation? 97 Interference 126
Voltage Sources
4.4 Energy, Heat, and Molecular 5.5 Energy of Waves 127
in Circuits 165
Theory 98 How Loud Is That
Science and Society: Blackout
Phase Change 99 Sound? 127
Reveals Pollution 166
A Closer Look: Passive Resonance 128
Resistances in Circuits 166
Solar Design 101 5.6 Sources of Sounds 129
A Closer Look: Solar Cells 167
Evaporation and Vibrating Strings 129
Household Circuits 168
Condensation 102 Science and Society:
Summary 170
4.5 Thermodynamics 104 Laser Bug 131
Key Terms 172
The First Law of Sounds from Moving
Applying the Concepts 172
Thermodynamics 104 Sources 131
Questions for Thought 175
The Second Law of People Behind the Science:
For Further Analysis 175
Thermodynamics 105 Johann Christian Doppler 132
Invitation to Inquiry 175
The Second Law and A Closer Look: Doppler Radar 133
Parallel Exercises 175
Natural Processes 106 Summary 133
People Behind the Science: Key Terms 134
Count Rumford (Benjamin Applying the Concepts 134
Thompson) 107 Questions for Thought 137 7 Light 177
Summary 108 For Further Analysis 137
Key Terms 109 Invitation to Inquiry 137
Applying the Concepts 109 Parallel Exercises 137
Questions for Thought 111
For Further Analysis 112 6 Electricity 139
Invitation to Inquiry 112
7.1 Sources of Light 178
Parallel Exercises 112
7.2 Properties of Light 180
Light Interacts with
Matter 180
Reflection 182
Refraction 183
6.1 Concepts of Electricity 140
Dispersion and Color 185
Electron Theory of
A Closer Look: Optics 186
Charge 140
7.3 Evidence for Waves 189
Measuring Electrical
Interference 189
Charges 143
CONTENTS vii
