初中物理英文课本：中文注释 上PDF电子书下载

Contents 1

Preface 1

Photo acknowledgements 2

Light and sight 2

1 Light rays 2

Physics and technology 3

Scientific enquiry 5

2 Reflection of light 5

3 Plane mirrors 8

4 Curved mirrors 11

5 Lenses 15

6 The eye 19

7 Colour 22

8 Simple optical instruments 26

9 Telescopes 29

Additional questions 33

Matter and 38

molecules 38

10 Measurements 38

11 Density 44

12 Weight and stretching 47

13 Molecules 50

Additional questions 55

Forces and pressure 58

14 Moments and levers 58

15 Energy transfer 63

16 Pressure in liquids 69

17 Floating,sinking and flying 75

Additional questions 78

Heat and energy 82

18 Thermometers 82

19 Expansion of solids and liquids 85

20 Specific heat capacity 89

21 Latent heat 92

22 Conduction and convection 98

23 Radiation 104

24 Energy sources 108

Additional questions 116

25 Static electricity 120

effects 120

electromagnetic 120

Electricity and 120

26 Electric current 127

27 Potential difference 132

28 Resistance 137

29 Electric power 144

30 Electricity in the home 149

Additional questions 154

31 Magnetic fields 157

32 Electromagnets 162

Additional questions 168

Revision questions 169

Mathematics for physics 179

Answers 182