Grade 9 Physics SyllabusThis syllabus is designed for Grade 9 students and covers various topics in physics. The syllabus is divided into the following sections:
Motion- Introduction to motion
- Types of motion: rectilinear, circular, and periodic motion
- Distance, displacement, speed, and velocity
- Acceleration and deceleration
- Graphical representation of motion
- Equations of motion
- Uniform and non-uniform motion
Force and Laws of Motion- Introduction to force
- Types of forces: contact and non-contact forces
- Newton's laws of motion
- Inertia and mass
- Momentum and impulse
- Applications of Newton's laws of motion
- Friction and its types
- Balanced and unbalanced forces
Gravitation & Floatation- Gravitational force and its properties
- Newton's law of universal gravitation
- Weight and mass
- Gravitational field and potential
- Satellite motion and Kepler's laws
- Buoyancy and Archimedes' principle
- Density and relative density
- Pressure in fluids
Work, Energy & Power- Work and its calculation
- Types of energy: kinetic and potential energy
- Law of conservation of energy
- Power and its measurement
- Efficiency
- Machines and their types
- Mechanical advantage and velocity ratio
- Principle of conservation of momentum
Sound & Human Ear- Production and propagation of sound
- Characteristics of sound waves
- Speed of sound
- Reflection, refraction, and diffraction of sound
- Audible and inaudible frequencies
- Structure and functions of the human ear
- Hearing impairment and its prevention
- Applications of sound technology
This Grade 9 Physics syllabus provides a comprehensive understanding of various concepts related to motion, force, gravitation, work, energy, power, sound, and the human ear. It aims to develop students' critical thinking, problem-solving, and scientific inquiry skills.
This course is helpful for the following exams: Grade 9