Physics 9 maroon gdz didactic materials

Physics. Grade 9. Independent and control work. Maron A.E., Maron E.A.

M .: 201 eight . - 128 p.

This manual is intended for the organization of current and thematic control in classes studying physics according to the textbook of A. V. Peryshkin “Physics. Grade 9 ". The manual includes independent work in two versions for each paragraph, thematic test papers to each section of the physics course in grade 9 in four versions and two final tests - for the physics course in grade 9 and for the physics course in grades 7-9 also in four versions. and wave optics. Qualitative, computational and graphic tasks given in the manual allow you to check the level of formation of the conceptual apparatus, the ability to apply physical laws in typical situations and organize reflection of educational activities in the lesson.

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INDEPENDENT WORKS
CP-1. Material point. Reference system 5
Option 1 5
Option 2 5
CP-2. Move 6
Option 1 6
Option 2 6
CP-3. Determination of the coordinates of a moving body 7
Option 1 7
Option 2 7
CP-4. Travel with straight, uniform motion 8
Option 1 8
Option 2 9
CP-5. Rectilinear uniformly accelerated motion. Acceleration 10
Option 1 10
Option 2 10
CP-6. The speed of rectilinear uniformly accelerated movement.
Speed ​​graph 11
Option 1 11
Option 2 12
CP-7. Moving a body in a rectilinear uniformly accelerated
movement 13
Option 1 13
Option 2 13
CP-8. Moving a body in a rectilinear uniformly accelerated
movement without initial speed 14
Option 1 14
Option 2 14
CP-9. Motion relativity 15
Option 1 15
Option 2 15
CP-10. Inertial frames of reference. Newton's First Law 16
Option 1 16
Option 2 16
CP-11. Newton's second law 17
Option 1 17
Option 2 17
CP-12. Newton's third law 18
Option 1 18
Option 2 18
CP-13. Free fall bodies 19
Option 1 19
Option 2 19
CP-14. The movement of a body thrown vertically upward. Zero gravity 20
Option 1 20
Option 2 20
CP-15. Law of universal gravitation 21
Option 1 21
Option 2 21
SR-16. Free fall acceleration on Earth and other celestial bodies. , 22
Option 1 22
Option 2 22
CP-17. Straight and curved movement 23
Option 1 23
Option 2 23
CP-18. The movement of the body in a circle with a constant
modulo speed 24
Option 1 24
Option 2 24
SR-19. Artificial satellites of the Earth 25
Option 1 25
Option 2 25
SR-20. Body impulse. Momentum conservation law 26
Option 1 26
Option 2 26
CP-21. Jet propulsion. Rockets 27
Option 1 27
Option 2 28
CP-22. Derivation of the law of conservation of mechanical energy 29
Option 1 29
Option 2 29
CONTROL WORK No. 1 30
Option 1 30
Option 2 30
Option 3 31
Option 4 32
Chapter 2. MECHANICAL VIBRATIONS AND WAVES. SOUND
INDEPENDENT WORKS
CP-23. Oscillatory motion. Free vibrations 33
Option 1 33
Option 2 34
SR-24. Oscillatory Movement Quantities 35
Option 1 35
Option 2 36
SR-25. Harmonic vibrations 37
Option 1 37
Option 2 38
SR-26. Damped Oscillations. Forced vibrations 39
Option 1 39
Option 2 40
SR-27. Resonance 41
Option 1 41
Option 2 41
SR-28. Propagation of vibrations in the medium. Waves 42
Option 1 42
Option 2 42
SR-2E. Wavelength. Wave propagation speed 43
Option 1 43
Option 2 43
CP-30. Sound sources. Sound vibrations 44
Option 1 44
Option 2 44
SR-31. Pitch, timbre and sound volume 45
Option 1 45
Option 2 46
CP-32. Sound propagation. Sound Waves 47
Option 1 47
Option 2 47
CP-33. Reflection of sound. Sound Resonance 48
Option 1 48
Option 2 48
CONTROL WORK No. 2 49
Option 1 49
Option 2 49
Option 3 50
Option 4 51
Chapter 3. ELECTROMAGNETIC FIELD
INDEPENDENT WORKS
SR-34. Magnetic field 52
Option 1 52
Option 2 53
SR-35. The direction of the current and the direction of the lines of its magnetic field 54
Option 1 54
Option 2 55
CP-36. Detection of a magnetic field by its action on an electrical
current. Left hand rule 56
Option 1 56
Option 2 57
CP-37, Magnetic field induction 58
Option 1 58
Option 2 58
CP-38. Magnetic flux 59
Option 1 59
Option 2 59
CP-39. The phenomenon of electromagnetic induction 60
Option 1 60
Option 2 61
SR-40. Induction current direction. Lenz rule 62
Option 1 62
Option 2 63
CP-41. The phenomenon of self-induction 64
Option 1 64
Option 2 64
SR-42. Receiving and transmitting alternating electric current.
Transformer 65
Option 1 65
Option 2 65
SR-43. Electromagnetic field 66
Option 1 66
Option 2 66
CP-44. Electromagnetic waves 67
Option 1 67
Option 2 67
CP-45. Oscillatory circuit.
Receiving electromagnetic waves 68
Option 1 68
Option 2 68
CP-46. Principles of radio communication and television 69
Option 1 69
Option 2 69
CP-47. The electromagnetic nature of light 70
Option 1 70
Option 2 70
CP-48. Refraction of light. The physical meaning of the refractive index. ... 71
Option 1 71
Option 2 71
CP-49. Dispersion of light. Body colors 72
Option 1 72
Option 2 72
CP-50. Types of optical spectra 73
Option 1 73
Option 2 73
CP-51. Absorption and emission of light by atoms.
The origin of line spectra 74
Option 1 74
Option 2 74
CONTROL WORK No. 3 75
Option 1 75
Option 2 75
Option 3 76
Option 4 77
Chapter 4. THE STRUCTURE OF THE ATOM AND THE ATOMIC NUCLEUS. USING THE ENERGY OF ATOMIC NUCLEI
INDEPENDENT WORKS
CP-52. Radioactivity. Models of atoms 78
Option 1 78
Option 2 78
CP-53. Radioactive transformations of atomic nuclei 79
Option 1 79
Option 2 79
CP-54. Experimental Methods for Investigating Particles 80
Option 1 80
Option 2 80
CP-55. Discovery of the proton and neutron 81
Option 1 81
Option 2 81
CP-56. Core composition. Nuclear Force 82
Option 1 82
Option 2 82
CP-57. Communication energy. Mass defect 83
Option 1 83
Option 2 83
CP-58. Fission of uranium nuclei. Chain Reaction 84
Option 1 84
Option 2 84
CP-59. Nuclear reactor. Internal energy transformation
atomic nuclei into electrical energy 85
Option 1 85
Option 2 85
CP-60. Nuclear power 86
Option 1 86
Option 2 86
SR-61. Biological effects of radiation.
The Law of Radioactive Decay 87
Option 1 87
Option 2 87
CP-62. Thermonuclear reaction 88
Option 1 88
Option 2 88
CONTROL WORK No. 4 89
Option 1 89
Option 2 89
Option 3 90
Option 4 90
Chapter 5. STRUCTURE AND EVOLUTION OF THE UNIVERSE
INDEPENDENT WORKS
SR-63. Composition, structure and origin
Solar system 91
Option 1 91
Option 2 91
CP-64. Large planets of the solar system 92
Option 1 92
Option 2 92
SR-65. Small bodies of the solar system 93
Option 1 93
Option 2 93
CP-66. The structure, radiation and evolution of the Sun and stars 94
Option 1 94
Option 2 94
CP-67. The structure and evolution of the Universe 95
Option 1 95
Option 2 95
CONTROL WORK No. 5 96
Option 1 96
Option 2 96
Option 3 96
Option 4 96
CONTROL WORK No. 6 (final) 97
Option 1 97
Option 2 98
Option 3 100
Option 4 101
CONTROL WORK No. 7 (preparation for ekamens) 103
Option 1 103
Option 2 103
Option 3 103
Option 4 104
ADDITIONAL INDEPENDENT WORKS
CP-1. Elastic strength 105
Option 1 105
Option 2 105
CP-2. Friction force 107
Option 1 107
Option 2 107
CP-3. Work of power 108
Option 1 108
Option 2 108
CP-4. Potential and kinetic energy 109
Option 1 109
Option 2 109
CP-5. Interference and diffraction of light 110
Option 1 110
Option 2 110
APPENDIX 111
ANSWERS 115

Study is important! This thesis almost from the very kindergarten hammer the kids into the head, hoping thereby to develop in them a loyal and responsible attitude towards what is coming outside the school walls. However, no matter how the child is prepared and incited, it very quickly becomes clear what kind of feelings this process arouses in him. Ninth grade in this regard, it becomes a kind of sieve that weeds out everyone who is not ready to continue further education. During this period, those subjects that will be included in the GIA are especially important, since not knowing them will lead to obtaining a bad certificate. Physics is often one of these items. An excellent support in mastering it and preparing for the exams will be provided by the textbook reshebnik. Publishing house "Drofa", 2016

What's included.

Exercises on all topics covered, test tasks and so on, which will help students to adjust their knowledge. Same way GDZ in physics grade 9 Maron will provide support in preparing for the examination part.

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This manual includes training tasks. tests for self-control, independent work, control work and examples of solutions typical tasks... The offered didactic materials are compiled in full accordance with the structure and methodology of the textbook A. V. Peryshkin, K. M. Gutnik “Physics. Grade 9 ".

TK-1. Path and movement.
1. Indicate in which of the following examples the body can be considered a material point:
a) Earth moving around the sun;
b) the Earth revolving around its axis;
c) the moon revolving around the earth;
d) the moon, on the surface of which the lunar rover is moving;
e) a hammer thrown by an athlete;
f) a sports hammer, which is made on a machine.
2. What determines the bus passenger by the numbers on the kilometer poles installed along the highway - the movement or the distance traveled by the bus?
3. Figure 1 shows the trajectories of the projectiles. Are the paths traversed by the projectiles equal for these movements? displacement?
4. A body thrown vertically upward from point L fell into the shaft (Fig. 2). What are the path traveled by the body and the modulus of movement, if AB = 15 m, BC - 18 m?
5. The athlete has to run one lap (400 m). What is the displacement modulus if it: a) has run 200 m of the path; b) finished? Consider the stadium track as a circle.
6. The squirrel runs inside the wheel, being at the same height relative to the floor. Are the path and displacement equal for such a movement?

Foreword.
TRAINING TASKS
TK-1. Path and movement.
TK-2. Rectilinear uniform movement.
TK-3. Relativity of motion.
TK-4. Rectilinear uniformly accelerated motion.
TK-5. Newton's laws.
TK-6. Free fall of bodies.
TK-7. The law of universal gravitation. Body movement
TK-8. Body impulse. Impulse conservation law.
Law of energy conservation.
TK-9. Mechanical vibrations and waves. Sound.
TK-10. Electromagnetic field.
TK-11. The structure of the atom and atomic nucleus.
TESTS FOR SELF-CONTROL
TS-1. Rectilinear uniform movement.
TS-2. Rectilinear uniformly accelerated motion.
TS-3. Newton's laws.
TS-4. Free fall of bodies.
TS-5. The law of universal gravitation. Body movement
around the circumference. Artificial satellites of the Earth ..
TS-6. Body impulse. Impulse conservation law.
Law of energy conservation.
TS-7. Mechanical vibrations.
TS-8. Mechanical waves. Sound.
TS-9. Electromagnetic field.
TS-10. The structure of the atom and atomic nucleus.
INDEPENDENT WORKS
CP-1. Path and movement.
CP-2. Rectilinear uniform movement.
CP-3. Rectilinear uniform movement.
Graphic tasks.
CP-4. Relativity of motion.
CP-5. Rectilinear uniformly accelerated motion.
CP-6. Rectilinear uniformly accelerated motion.
Graphic tasks.
CP-7. Newton's laws.
CP-8. Free fall of bodies.
CP-9. The law of universal gravitation.
Artificial satellites of the Earth.
CP-10. The movement of the body in a circle.
CP-11. Body impulse. Impulse conservation law.
Law of energy conservation.
CP-12. Mechanical vibrations.
CP-13. Mechanical waves. Sound.
CP-14. Electromagnetic field.
CP-15. The structure of the atom and atomic nucleus.
TEST PAPERS
KR-1. Rectilinear uniformly accelerated motion.
KR-2. Newton's laws.
KR-3. The law of universal gravitation. Body movement
around the circumference. Artificial satellites of the Earth.
KR-4. Impulse conservation law.
Law of energy conservation.
KR-5. Mechanical vibrations and waves.
KR-6. Electromagnetic field.
EXAMPLES OF SOLVING TYPICAL PROBLEMS
The laws of interaction and motion of bodies.
Mechanical vibrations and waves.
Electromagnetic field.
ANSWERS
Training tasks.
Self-control tests.
Independent work.
Test papers.
Bibliography.

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