NCERT Books Class 8

Download NCERT Science, Maths, Social Science (Geography, History, Political Science, Economics) books chapterwise of class 8 in pdf form for free. NCERT Books Class 9 NCERT Books Class 10

Class 8 Light Notes

Class 8 Light Notes Light:- Light is a form of energy that produces sensation of vision in our eyes. Reflection of Light:- The phenomenon of bouncing back of a ray of light after striking on a highly polished (reflecting) surface is called reflection of light. Incident ray:- The light ray, which strikes any surface, is […]

Class 8 Cell – Structure and Functions Notes

Cell – Structure and Functions Notes Cell:- The cell is the basic structural and functional unit of our life. Cell was discovered by Robert Hooke in 1665. Different cells have different shapes like round, spherical, elongated, spindle (long and pointed at both ends) depending on their specific functions. Some cells have changing shape like amoeba and white blood […]

Class 8 Coal and Petroleum Notes

Coal and Petroleum Notes Natural Resources:– The resources, that are obtained from nature are called natural resources.Ex:- air, water, soil and minerals. Types of Natural resources:- Inexhaustible/ Renewable Natural Resources:- The resources which are present in unlimited quantity in nature and are not likely to be exhausted by human activities are called inexhaustible natural resources. […]