CBSE Class 9
Science
Explore CBSE Class 9 Science chapter by chapter.
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Chapter 1
Exploration: Entering the World of Secondary Science
How science studies the natural world, what a scientific model is, and how scientists estimate and predict.
CBSE Class 9 · Science
Chapter 2
Cell: The Building Block of Life
Studying cells with a microscope, the cell membrane, wall and organelles, cell division, and cell theory.
CBSE Class 9 · Science
Chapter 3
Tissues in Action
Meristems and permanent tissues in plants, the four animal tissues, the musculoskeletal system, joints and skeleton.
CBSE Class 9 · Science
Chapter 4
Describing Motion Around Us
Position, distance and displacement, speed, velocity and acceleration, motion graphs, and motion in a plane.
CBSE Class 9 · Science
Chapter 5
Exploring Mixtures and their Separation
Homogeneous and heterogeneous mixtures, solutions and solubility, and the methods used to separate the components of a mixture.
CBSE Class 9 · Science
Chapter 6
How Forces Affect Motion
Force and how it is measured, balanced and unbalanced forces, friction, and Newton's three laws of motion.
CBSE Class 9 · Science
Chapter 7
Work, Energy, and Simple Machines
Work done by a force, the work-energy theorem, forms of energy and their conservation, power, and simple machines.
CBSE Class 9 · Science
Chapter 8
Journey Inside the Atom
Atomic models from Thomson to Bohr, protons and neutrons, atomic number, mass number, electron shells and valency.
CBSE Class 9 · Science
Chapter 9
Atomic Foundations of Matter
Laws of chemical combination, Dalton's theory, covalent and ionic bonds, and writing chemical formulae.
CBSE Class 9 · Science
Chapter 10
Sound Waves: Characteristics and Applications
Production and propagation of sound, the characteristics of a sound wave, reflection, echo and ultrasonic waves.
CBSE Class 9 · Science
Chapter 11
Reproduction: How Life Continues
Asexual and sexual reproduction in plants and animals, fertilisation and seed formation, and reproduction in human beings.
CBSE Class 9 · Science
Chapter 12
Patterns in Life: Diversity and Classification
Biodiversity in India, the need for classification, the five kingdom system, adaptations and scientific naming.
CBSE Class 9 · Science
Chapter 13
Earth as a System: Energy, Matter, and Life
Uneven heating of the Earth, winds and ocean currents, biogeochemical cycles, and human impact on Earth's processes.
CBSE Class 9 · Science