Class 8 Maths Rational Numbers Notes
A rational number is any number that can be expressed in the form:pq,p∈Z, q∈Z, q≠0\frac{p}{q}, \quad p \in \mathbb{Z}, \; q \in \mathbb{Z}, \; q \neq 0qp,p∈Z,q∈Z,q=0 Here, ppp = numerator, qqq…
Class-8
Class 8 Science – Friction Notes
What is Friction? Friction is a force that opposes the relative motion between two surfaces in contact. It acts parallel to the surface. Friction can be useful or harmful depending…
Class 8 History Civilising the Native, Educating the Nation
1. British Idea of “Civilising” Indians British officials believed Indian society was backward. They thought Western education would “civilise” Indians. Indian languages and traditions were considered inferior. 2. Orientalists vs…
Class 8 Social Science – Industries Notes
1. What is an Industry? An industry is an activity where raw materials are converted into goods or products. Examples: Cotton → Cotton cloth, Iron ore → Steel Industries provide…
Class 8 Social Science – Public Facilities Notes
What are Public Facilities? Public facilities are basic services provided for everyone’s daily needs. Examples: Safe drinking water Healthcare (hospitals) Schools Sanitation Electricity Roads Public transport ➡️ These are essential…
Class 8 Science – Force and Pressure
Class 8 Science – Force and Pressure (One-Line Notes) 1. Basics of Force Force: A push or pull on an object that can change its state of motion. SI unit…
Class 8 Science – Sound
Class 8 Science – Sound (One-Line Notes) 1. Basics Sound: A form of energy that produces hearing sensation. Production of sound: Sound is produced due to vibration. Vibration: To-and-fro motion…