Class 9 – Science – CBSE Notes
Chapter 1 : Matter in our surrounding
- Matter
- States of Matter
- Sublimation
- Characteristics of particle nature of matter
- Change in state of matter
- Diffusion
- Evaporation
- Evidences of particle in matter and their motion
- Latent Heat
- Water vapours in air
Chapter 2 : Is matter around us Pure
- Is matter around us pure
- Colloids
- Solution
- Suspension
- Compound
- Concentration
- Mixtures
- Separation of mixture
- Elements
- Physical and chemical change
Chapter 3 : Atoms and Molecules
- Ionic Compounds
- Molecules
- Atomic Mass
- Molecular Mass
- Ions
- Dalton’s Atomic Theory
- Gram Molecular Mass
- Mole Concept
- Valency of Ion
Chapter 4 : Structure of the Atom
- J.J. Thomson model of an atom
- Isobars
- Isotopes
- Structure of an atom
- Arrangement of electrons in the atoms
- Rutherford model of an atom
- Bohr’s model of an atom
- Discovery of Neutron
- Discovery of electron
- Discovery of Proton
- Valency of ion
Chapter 5 : The Fundamental unit of Life
- Golgi apparatus
- Lysosomes
- Cell organelles-plasma membrane
- Plastids
- Cytoplasm
- Mitochondria
- Endoplasmic reticulum
- Nucleus
- Fundamental units of life
Chapter 6 : Tissues
- Tissue
- Animal tissue
- Meristematic tissue
- Complex tissue
- Connective tissue
- Muscular tissue
- Epithelial tissue
- Nervous tissue
- Permanent tissue
- Vacuoles
Chapter 7 : Diversity in living organisms
- Amphibia
- Annelida
- Arthropodia
- Porifera
- Reptila
- Aves
- Platyelminthes
- Coelenterata
- Protochordata
- Mammalian
- Vertebrata
- Mollusca
- Nematoda
- Pisces
- Plantae kingdom
- Diversity in living organism
- Echinodermata
Chapter 8 : Motion
- Motion
- Velocity
- Acceleration
- Equation of motion
- Equation of motion by graphical method
- Graphical representation of motion
Chapter 9 : Force and Laws of Motion
- Conservation of momentum
- Force
- Newton’s first law of motion
- Newton’s second law of motion
- Newton’s third law of motion
Chapter 10 : Gravitaion
Chapter 11 : Work and Energy
Chapter 12 : Sound
- longitudinal waves
- Transverse wave
- Characteristics of waves
- Speed of sound in different medium
- Reflection of sound
- Reverberation
- Sonar
- Human ear
Chapter 13 : Why do we Fall ill?
- Infectious agent
- Means of spread of Infectious disease
- Types of diseases
- Point of entry and symptoms of Disease
- Significance of health
- Principle of Prevention
- Principle of treatment
- Vaccination
Chapter 14 : Natural Resources
Chapter 15 : Improvement in Food Rsources