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Chapter I
Molecular physics
1
Structure of matter and the size of molecules
Lessons 1–2
2
Amount of substance and molar mass
Lessons 3–4
3
The ideal gas and temperature
Lessons 5–6
4
The speed of molecules
Lessons 7–8
5
The equation of state and the isothermal process
Lessons 9–10
6
Isobaric and isochoric processes
Lessons 11–12
7
Practical work and problems
Lessons 13–14
8
Chapter I review
Lessons 15
Chapter II
Fundamentals of thermodynamics
9
Internal energy and thermodynamic work
Lessons 16–17
10
Quantity of heat
Lessons 18–19
11
Thermal equilibrium and determining specific heat capacity
Lessons 20–21
12
Fuel and the first law of thermodynamics
Lessons 22–23
13
First-law problems and the second law
Lessons 24–25
14
Laboratory work and Chapter II review
Lessons 26–27
Chapter III
Heat engines
15
Heat engines and their efficiency
Lessons 28–29
16
Engine problems and protecting nature
Lessons 30–31
17
Engine problems and Chapter III review
Lessons 32–33
Chapter IV
Liquids, solids and changes of state
18
Surface tension of liquids and capillary phenomena
Lessons 34–35
19
Surface tension problems and lab work
Lessons 36–37
20
Solids: crystalline, amorphous and mechanical properties
Lessons 38–39
21
Deformation problems and melting of crystals
Lessons 40–41
22
Heat of fusion and vaporisation
Lessons 42–43
23
Air humidity and the psychrometer
Lessons 44–45
24
Humidity problems and Chapter IV review
Lessons 46–47
Chapter V
Optics
25
Speed of light, laws of reflection and refraction
Lessons 48–49
26
Refraction problems and total internal reflection
Lessons 50–51
27
Total reflection problems and the prism lab
Lessons 52–53
28
Lenses and image construction
Lessons 54–55
29
Lens problems and the optical power lab
Lessons 56–57
30
Optical instruments and the eye
Lessons 58–59
31
Optical instrument problems and solar technology
Lessons 60–61
32
Chapter V review
Lessons 62
Final section
Physics and the picture of the world
33
The unified physical picture of the world and the progress of physics
Lessons 63–64
☰ Contents · Physics
Grade 9
›
Physics
›
Week 4
The speed of molecules
Lessons 7–8 · 2 lessons · P. Habibullayev, A. Boydedayev, A. Bahromov, K. Suyarov, J. Usarov, M. Yuldasheva. Physics Grade 9, revised and expanded 3rd edition. G‘afur G‘ulom Publishing House, Tashkent, 2019
Lesson 7
Lesson 8
Quiz
8
Homework
5
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