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Class 9 - Science Notes
Browse 25 articles in this category. Choose a title below, or explore the related categories for more reading.
Exploration: Entering the World of Secondary Science | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Exploration: Entering the World of Secondary Science: models, precise terms and units, laws and theories, and testing claims.
25 min read →Patterns in Life: Diversity and Classification | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Patterns in Life: Diversity and Classification: the variety of living organisms and their grouping and naming.
29 min read →Sound Waves: Characteristics and Applications | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Sound Waves: Characteristics and Applications: sound production and propagation through materials.
28 min read →Atomic Foundations of Matter | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Atomic Foundations of Matter: conservation of mass, constant proportions, Dalton's atomic theory and molecules.
30 min read →Journey Inside the Atom | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Journey Inside the Atom: Thomson, Rutherford and Bohr models, subatomic particles, atomic number, shells and valency.
28 min read →Exploring Mixtures and their Separation | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Exploring Mixtures and their Separation: types of mixtures, solutions and concentration, solubility and crystallisation.
28 min read →Describing Motion Around Us | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Describing Motion Around Us: position and reference points, distance and displacement and average speed and velocity.
27 min read →Cell: The Building Block of Life | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Cell: The Building Block of Life: cells and cell theory, microscopes, the cell membrane and diffusion and osmosis.
30 min read →Earth as a System: Energy, Matter, and Life | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Earth as a System: Energy, Matter, and Life: Earth's interacting spheres, solar radiation and uneven heating.
27 min read →Reproduction: How Life Continues | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Reproduction: How Life Continues: asexual and sexual reproduction, vegetative propagation, budding and spore formation.
30 min read →Is Matter Around Us Pure? | CBSE Class 9 Science Notes
In CBSE Class 9 Science, Is Matter Around Us Pure focuses on mixtures, methods of separation and the types of pure substances.
13 min read →Atoms and Molecules | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Atoms and Molecules: laws of chemical combination, Dalton’s atomic theory and writing chemical formulae.
10 min read →Structure of the Atom | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Structure of the Atom: charged particles, Rutherford’s model of an atom and Bohr’s model of an atom.
29 min read →Tissues | CBSE Class 9 Science Notes
For CBSE Class 9 Science, notes on Tissues compare plant and animal tissues, including meristems, permanent tissue and cell types.
16 min read →Diversity in Living Organisms | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Diversity in Living Organisms: classification, nomenclature and the features of Plantae and Animalia.
12 min read →Fundamental Unit of Life | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on The Fundamental Unit of Life: cell organelles, the plasma membrane and the staining of cells.
16 min read →Motion | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Motion: reference frames, distance and displacement, with graphs of speed and acceleration over time.
14 min read →Force and Laws of Motion | CBSE Class 9 Science Notes
CBSE Class 9 Science notes for Force and Laws of Motion: balanced vs unbalanced forces, Newton’s first law and Newton’s second law.
16 min read →Gravitation | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Gravitation: Newton's law of gravitation, mass and weight and Archimedes' principle in fluids.
9 min read →Work and Energy | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Work and Energy: the definition of work, conservation of energy and the commercial unit of energy.
30 min read →Sound | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Sound: sound production and propagation, the range of hearing and the applications of ultrasound.
12 min read →Why Do We Fall Ill? | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Why Do We Fall Ill: the conditions for good health, disease symptoms and the causes of disease.
17 min read →Natural Resources | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Natural Resources: the atmosphere, biogeochemical cycles, the greenhouse gas effect and the ozone layer.
9 min read →Improvement in Food Resources | CBSE Class 9 Science Notes
CBSE Class 9 Science notes for Improvement in Food Resources: improvement in crop yield, crop variety improvement and cropping patterns.
9 min read →Matter in Our Surroundings | CBSE Class 9 Science Notes
CBSE Class 9 Science notes on Matter in Our Surroundings: particles, the properties of solids, liquids and gases and changes of state.
15 min read →Related categories
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