Class 9 Science NCERT Textbook & Solutions CBSE

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Work Book/ Workbook Solution, lab manual
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Coming soon in the Class 9 App in 2018:
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Syllabus of Science:
Definition of matter; solid, liquid and gas; characteristics - shape, volume, density; change of state-melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.
Nature of matter
Mole concept: Relationship of mole to mass of the particles and numbers.
Structure of atoms
Unit II: Organization in the Living World
Cell - Basic Unit of life
Tissues, Organs, Organ System, Organism
Biological Diversity
Health and Diseases
Unit III: Motion, Force and Work
Motion: Distance and displacement, velocity; uniform and non-uniform motion along a staight line; acceleration, distance-time and velocity-time graphs
Force and Newton’s laws: Force and Motion, Newton’s Laws of Motion, Action and reaction forces
Gravitation: Gravitation; Universal Law of Gravitation
Floatation: Thrust and Pressure. Archimedes’ Principle; Buoyancy, Relative Density.
Work, energy and power: Work done by a Force, Energy, Power; Kinetic and Potential energy; Law of conservation of energy.
Sound
Unit IV: Our Environment
Physical resources: Air, Water, Soil. Air for respiration, for combustion, for moderating temperatures; movements of air and its role in bringing rains across India.
Unit V : Food Production
Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.
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