九年义务教育三年制初级中学教科书 物理 Physics 英语版 第1册PDF|Epub|txt|kindle电子书版本网盘下载

九年义务教育三年制初级中学教科书 物理 Physics 英语版 第1册PDF格式电子书版下载

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Introduction1

Chapter 1 Introduction to Measurement7

1 Measurement of Length and Error8

2 Experiment:Measure the Length with a Ruler12

Reading Materials:The International System of Units13

Some Objects'Distance and Length15

Little Experiment:Measure the Stature with a Self-made Tapeline16

Chapter 2 Simple Motion18

1 Mechanical Motion19

2 Velocity and Average Velocity23

3 Experiment:Calculating Average Velocity27

4 Compute Distance and Time28

Reading Material:Do You Know Who Is Faster and Who Is Slower?31

Little Experiment:Measure Your Own Walking Velocity32

Chapter 3 Sound35

1 Production and Propagation of Sound36

2 Pitch,Loudness and Musical Quality40

3 The Harm and the Control of Noise44

Reading Material:Not That of the God,but of the Architects47

Little Experiment:Sound Cannot Travel in a Vacuum49

Chapter 4 Heat51

1 Thermometer52

2 Experiment:Measure Water Temperature by Using a Thermometer56

3 Melting and Solidification58

4 Vaporization62

5 Experiment:Observe the Boiling Water64

6 Liquefaction67

7 Sublimation and Condensation69

Reading Material:Principle of a Refrigerator71

Little Experiment:Heat up Water with a Paper Pot72

Chapter 5 Reflection of Light75

1 Rectilinear Propagation of Light77

2 Reflection of Light79

3 Plane Mirror82

4 Spherical Mirror85

5 Illumination88

Reading Material:The Solar Mirror at the Building of HSBC92

Little Experiments:Make a Pinhole Camera93

Make a Periscope93

Chapter 6 Refraction of Light97

1 Refraction of Light98

2 Lens101

3 Camera104

4 Slide Projector and Magnifier108

5 Mystery of Colors112

Reading Materials:Mirage115

Film116

Little Experiments:Self-make Source of Parallel Light118

Mold an Ice Lens119

Observe an Object's Color119

Chapter 7 Mass and Density123

1 Mass124

2 Experiment:Measure the Mass of Solid and Liquid with a Balance127

3 Density128

4 Experiment:Measure the Density of Solid and Liquid with a Balance and a Measuring Cylinder130

5 Applications of the Property of Density132

Reading Materials:Origin of Kilogram,the Unit of Mass136

Great Discovery in Subtle Difference137

Little Experiments:Self-make a Small Balance137

Self-make a Measuring Cylinder138

Chapter 8 Force141

1 What Is Force142

2 To Measure Force144

3 Diagrammatic Representation of Force147

4 Gravity150

5 Composition of Two Forces on the Same Line153

6 Composition of Two Forces with an Angle156

Reading Material:Weightless State157

Little Experiment:Make an Elastic Dynamometer158

Chapter 9 Force and Motion161

1 Newton's First Law162

2 Inertia and the Phenomenon of Inertia163

3 Equilibrium of Two Forces166

4 Frictional Force170

Reading Materials:A Story of Newton173

After an Automobile Brakes174

Little Experiments:Lift Rice with a Chopstick175

A Trick in Finding Center of Gravity176

Chapter 10 Pressure and Hydraulic Pressure178

1 Pressure Force and Pressure179

2 Experiment:Investigate the Hydraulic Pressure184

3 Calculate Hydraulic Pressure187

4 Connected Vessels and Ship Locks190

Reading Material:Exploitation of the Ocean192

Little Experiment:How Much Is Your Pressure on the Ground194

Chapter 11 Atmospheric Pressure197

1 Atmospheric Pressure198

2 Change of Atmospheric Pressure202

3 Bucket Pump and Centrifugal Pump205

4 Relationship between Atmospheric Pressure and Volume208

Reading Material:History of the Discovery of Atmospheric Pressure210

Little Experiment:Observe How Atmospheric Pressure Varies with Altitude212

Chapter 12 Buoyancy Force214

1 Buoyancy Force215

2 Archimedes Principle218

3 Applications of Buoyancy Force222

4 Relationship between Hydrodynamic Pressure and Flow Velocity226

Reading Materials:A Story of Archimedes228

A Brief History of the Balloon229

Little Experiments:Self-make a Submarine Model231

Self-make a Density Gauge231

Chapter 13 Simple Mechanics234

1 Lever235

2 Applications of Levers238

3 Pulley241

4 Wheel and Axle245

Reading Material:Levers in Ancient China246

Little Experiments:Study the Structure of a Bicycle247

A Candle Seesaw248

Chapter 14 Work251

1 Work252

2 Principle of Work255

3 Mechanical Efficiency257

4 Experiment:Measure the Mechanical Efficiency of a Pulley Block259

5 Power261

Reading Materials:The Incline Plane264

Power on a Nameplate265

Little Experiment:Compare Whose Power Is Greater266

Physics Activities and Popular Science Lectures269

1 Physics Activities270

2 Popular Physics Lectures278

Appendix:Physical Quantities and Their Units in the Book279

Some Terms in the Book with Chinese Translation280