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Below is a clear overview of the Class 9 CBSE Science and Mathematics syllabus that was in effect during the 2015–2016 session This breakdown aligns with official CBSE guidelines and provides a chapter wise list of topics

Class 9 Science syllabus themes and units

• Matter Its Nature and Behaviour
• Definition of matter solid liquid gas and their characteristics
• Change of state melting freezing evaporation condensation sublimation
• Elements compounds mixtures heterogeneous homogeneous colloids suspensions
• Atomic and molecular masses mole concept law of constant proportions
• Structure of atom subatomic particles valency isotopes isobars

• Organisation in the Living World
• Cell as basic unit of life prokaryotic eukaryotic plant and animal cells cell organelles
• Levels of organisation tissue organ organ system organism
• Biological classification hierarchy groups kingdoms
• Health and diseases infectious non infectious diseases and prevention

• Motion Force and Work
• Distance displacement speed velocity acceleration graphs equations of uniformly accelerated motion
• Newtons laws of motion momentum force and reaction laws
• Gravitation universal law gravity weight free fall
• Floatation thrust pressure Archimedes principle relative density

• Our Environment
• Ecosystem components producers consumers decomposers food chains webs ecological balance

• Food Food Production
• Basic nutrition dietary requirements farmers produce food preservation methods maybe included

Internal assessment or practical part for science may have included charts models projects and experiments aligned with above units

Class 9 Mathematics syllabus units

• Number Systems
• Real numbers rational irrational operations decimal representation
• Exponents rational exponents laws decimal expansion representation on number line

• Algebra
• Polynomials definition degree factorisation identities factor theorem remainder theorem
• Linear equations in two variables graphical solutions and real life applications

• Coordinate Geometry
• Cartesian plane plotting points coordinates distance between points

• Geometry
• Euclidean geometry definitions axioms theorems
• Lines and angles congruence of triangles SAS ASA SSS RHS
• Properties of triangles quadrilaterals parallelograms circles
• Constructions angle bisector triangle construction

• Mensuration
• Area of triangle parallelogram quadrilateral
• Surface area and volume of cube cuboid cylinder cone sphere hemispheres

• Statistics and Probability
• Data collection tabulation graphs bar histogram frequency polygon
• Measures of central tendency mean median mode
• Empirical probability single event experiments