CBSE Class 9 Science Notes – Chapter 7 : Motion
Motion: Moving Of Body/object Newton’s First Law of Mot ion Body continues its state of rest or of uniform motion in a straight line unless[…]
CBSE Class 9 Science Notes – Chapter 6 : Tissues
A group of cells that are similar in structure and/or work together to achieve a particular function forms a tissue. Plant Tissues Meristematic Tissue(Immature cells[…]
CBSE Class 9 Science Notes – Chapter 5 : The Fundamental Unit of Life
1. Cell Smallest structural and functional unit of life. Discovery of cell and its components Cell theory Types of cells on basis of organization Types[…]
CBSE Class 9 Science Notes – Chapter 4 : Structure Of Atom
Charged Particle In Matter Electron Proton Neutron Negatively charged sub-particles of atom is called electron. Positively charged sub-particles of atom is called proton. Neutral sub-particles[…]
CBSE Class 9 Science Notes – Chapter 3 : Atoms And Molecules
Laws Of Chemical Combination Antoine L. Lavoisier give two important laws of chemical combination. Law of Conservation of Mass: It states that mass can neither be[…]
