Force and Pressure
Learn about different types of forces including muscular force, gravitational force, friction, and electrostatic force. Understand how pressure works and its applications in everyday life like hydraulic machines and atmospheric pressure.
Friction
Study the causes of friction, types of friction (static, sliding, rolling), factors affecting friction, and methods to increase or decrease friction. Learn about friction in fluids and its importance in daily life.
Sound
Explore how sound is produced, how it travels through different media, characteristics of sound including pitch and loudness, and the structure of the human ear. Understand noise pollution and its effects.