Class 9 Science

NCERT Solutions for Class 9 Science help students to clear any doubts instantly and in a more efficient way. These NCERT Solutions guide students to learn the important concepts which are included in the CBSE Class 9 Science syllabus. Students are required to solve the exercise questions included in the textbook to create a proper understanding of the topics.

Intermediate 0(0 Ratings) 0 Students enrolled English
Created by Rudra Verma
Last updated Thu, 22-Sep-2022
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Course overview

NCERT Solutions for Class 9 Science help students to clear any doubts instantly and in a more efficient way. These NCERT Solutions guide students to learn the important concepts which are included in the CBSE Class 9 Science syllabus. Students are required to solve the exercise questions included in the textbook to create a proper understanding of the topics.

What will i learn?

Requirements
Curriculum for this course
205 Lessons 06:50:00 Hours
Matter in Our Surroundings 515
19 Lessons 00:38:00 Hours
  • Introduction -
    00:02:00
  • Learning Objectives
    00:02:00
  • Physical Nature of Matter
    00:02:00
  • Matter is made up of particles
    00:02:00
  • How small are the Particles of Matter?
    00:02:00
  • How small are the Particles of Matter?Activity
    00:02:00
  • Characterstics of Particles of Matter
    00:02:00
  • Particles of Matter attract each other
    00:02:00
  • States of Matter
    00:02:00
  • The Liquid State
    00:02:00
  • The Gaseous State
    00:02:00
  • Can Matter Change its State?
    00:02:00
  • Effect of Change of Temperature - Activity
    00:02:00
  • Effect of Change of Temperature - Activity
    00:02:00
  • Effect of Change in Pressure
    00:02:00
  • Evaporation
    00:02:00
  • Factors affecting Evaporation
    00:02:00
  • How does evaporation cause cooling?
    00:02:00
  • Summary
    00:02:00
Is Matter Around Us Pure 516
14 Lessons 00:28:00 Hours
  • Introduction-Pure Substances
    00:02:00
  • Learning Objectives
    00:02:00
  • Types of Pure Substances
    00:02:00
  • Types of pure substances
    00:02:00
  • What is a Mixture?
    00:02:00
  • What is a Solution?
    00:02:00
  • Properties of a Solution
    00:02:00
  • Saturated Solution
    00:02:00
  • Concentration of a Solution
    00:02:00
  • What is a Suspension?
    00:02:00
  • What is a Colloidal Solution?
    00:02:00
  • Physical and chemical changes
    00:02:00
  • Types of Mixtures
    00:02:00
  • Summary
    00:02:00
Atoms And Molecules 517
4 Lessons 00:08:00 Hours
  • Introduction-Ancient Science
    00:02:00
  • Learning Objectives
    00:02:00
  • Laws of Chemical Combination
    00:02:00
  • Law of Constant Proportions
    00:02:00
Structure Of The Atom 518
11 Lessons 00:22:00 Hours
  • Valency
    00:02:00
  • Atomic Number and Mass Number
    00:02:00
  • Mass Number
    00:02:00
  • Isotopes
    00:02:00
  • Isobars
    00:02:00
  • Summary
    00:02:00
  • Introduction Structure of the Atom
    00:02:00
  • Learning Objectives
    00:02:00
  • Charged Particles in Matter
    00:02:00
  • The Structure of an Atom
    00:02:00
  • How are Electrons Distributed in Different Orbits (Shells)?
    00:02:00
Crop management 519
16 Lessons 00:32:00 Hours
  • Learning Objectives
    00:02:00
  • Introduction
    00:02:00
  • Improvement in Crop Yields
    00:02:00
  • Improvement in Food Resources
    00:02:00
  • Crop Variety Improvement
    00:02:00
  • Crop Production Management
    00:02:00
  • Irrigation
    00:02:00
  • Cropping Patterns
    00:02:00
  • Crop Protection Management
    00:02:00
  • Conclusion
    00:02:00
  • Animal Husbandry
    00:02:00
  • Cattle Farming
    00:02:00
  • Poultry Farming
    00:02:00
  • Fish Production
    00:02:00
  • Bee Keeping
    00:02:00
  • Summary
    00:02:00
Tissues 520
28 Lessons 00:56:00 Hours
  • Learning Objectives
    00:02:00
  • Difference between Plant and Animal Tissues
    00:02:00
  • Plant Tissues
    00:02:00
  • Meristematic
    00:02:00
  • Apical Meristem
    00:02:00
  • Intercalary Meristem
    00:02:00
  • Lateral Meristem
    00:02:00
  • Simple Permanent
    00:02:00
  • Parenchyma
    00:02:00
  • Collenchyma
    00:02:00
  • Sclerenchyma
    00:02:00
  • Complex Permanent
    00:02:00
  • Xylem
    00:02:00
  • Phloem
    00:02:00
  • Animal Tissues
    00:02:00
  • Epithelial
    00:02:00
  • Connective Tissues
    00:02:00
  • Connective Tissues: Blood
    00:02:00
  • Connective Tissues: Bone
    00:02:00
  • Connective Tissues: Ligament
    00:02:00
  • Connective Tissues: Areolar
    00:02:00
  • Connective Tissues: Adipose
    00:02:00
  • Muscular Tissue
    00:02:00
  • Voluntary Muscles
    00:02:00
  • Involuntary Muscles
    00:02:00
  • Cardiac Muscles
    00:02:00
  • Nervous Tissue
    00:02:00
  • Summary
    00:02:00
Diversity in Living Organisms 521
3 Lessons 00:06:00 Hours
  • Introduction
    00:02:00
  • Learning Objectives
    00:02:00
  • Categorisation of Life
    00:02:00
Motion 522
10 Lessons 00:20:00 Hours
  • Learning Objectives
    00:02:00
  • Introduction
    00:02:00
  • Describing Motion
    00:02:00
  • Uniform Motion and Non-Uniform Motion
    00:02:00
  • Speed with Direction: Velocity
    00:02:00
  • When an object is moving along a straight line at variable speed
    00:02:00
  • Accelaration
    00:02:00
  • Graphical Representation of Motion
    00:02:00
  • Derivation of the three Equations of Motion by Graphical Method
    00:02:00
  • Summary
    00:02:00
Force And Laws Of Motion 523
7 Lessons 00:14:00 Hours
  • Inertia and Mass
    00:02:00
  • Second Law of Motion
    00:02:00
  • Mathematical Formulation of Second Law of Motion
    00:02:00
  • Third Law of motion
    00:02:00
  • Momentum
    00:02:00
  • Conservation of Momentun
    00:02:00
  • Summary
    00:02:00
Gravitation 524
18 Lessons 00:36:00 Hours
  • Introduction
    00:02:00
  • Learning Objectives
    00:02:00
  • Gravitation
    00:02:00
  • Centripetal Force
    00:02:00
  • Universal Law of Gravitation
    00:02:00
  • Importance of the Universal law of Gravitation
    00:02:00
  • Acceleration due to Gravity
    00:02:00
  • Free Fall
    00:02:00
  • To Calculate the value of g
    00:02:00
  • Motion of Objects Under the Influence of Gravitational Force of the Earth
    00:02:00
  • Weight of an Object
    00:02:00
  • Thrust and Pressure
    00:02:00
  • Pressure in Fluids
    00:02:00
  • Buoyancy
    00:02:00
  • Some Objects float while Some Sink
    00:02:00
  • Archimedes Principle
    00:02:00
  • Relative Density
    00:02:00
  • Summary
    00:02:00
Work and Energy 525
16 Lessons 00:32:00 Hours
  • Learning Objectives
    00:02:00
  • Introduction
    00:02:00
  • So What is work
    00:02:00
  • Defining Work
    00:02:00
  • Force in Opposite Direction of Displacement
    00:02:00
  • Understanding Energy
    00:02:00
  • Forms of Energy
    00:02:00
  • Kinetic Energy
    00:02:00
  • Potential Energy
    00:02:00
  • Potential Energy of an Object at a Height
    00:02:00
  • Understanding Potential Energy
    00:02:00
  • Law of Conservation of Energy
    00:02:00
  • Activity
    00:02:00
  • Rate of Doing Work
    00:02:00
  • Commercial Unit of Energy
    00:02:00
  • Summary
    00:02:00
Sound 526
26 Lessons 00:52:00 Hours
  • Introduction
    00:02:00
  • Learning Objectives
    00:02:00
  • Production of Sound
    00:02:00
  • How is sound produced
    00:02:00
  • Sources of sound are all around us
    00:02:00
  • Can sound make a light spot dance?
    00:02:00
  • Propagation of Sound
    00:02:00
  • Sound Needs a Medium to Travel
    00:02:00
  • Sound waves are Longitudinal Waves
    00:02:00
  • Characteristics of a Sound Wave
    00:02:00
  • Loudness
    00:02:00
  • Pitch
    00:02:00
  • Quality of Sound
    00:02:00
  • Time period
    00:02:00
  • Speed of Sound in Different Media
    00:02:00
  • Sonic boom
    00:02:00
  • Reflection of Sound
    00:02:00
  • Echo
    00:02:00
  • Reverberation
    00:02:00
  • Uses of Multiple Reflections of Sound
    00:02:00
  • Range of Hearing
    00:02:00
  • Hearing Aid
    00:02:00
  • Applications of Ultrasound
    00:02:00
  • Sonar
    00:02:00
  • Structure of Human Ear
    00:02:00
  • Summary
    00:02:00
Why Do We Fall ill 527
17 Lessons 00:34:00 Hours
  • Disease and its Causes
    00:02:00
  • Symptoms of Disease
    00:02:00
  • Signs of Diseases
    00:02:00
  • Acute Diseases
    00:02:00
  • Chronic Diseases
    00:02:00
  • Difference between Acute and Chronic Diseases
    00:02:00
  • Causes of Diseases
    00:02:00
  • Infectious Diseases
    00:02:00
  • Non-infectious Diseases
    00:02:00
  • Infectious Agents
    00:02:00
  • How Diseases Spread?
    00:02:00
  • Vectors
    00:02:00
  • Organ-specific Manifestation
    00:02:00
  • Immune System, Principles of Treatments
    00:02:00
  • Principles of Prevention: General Ways
    00:02:00
  • Principles of Prevention: Specific Ways
    00:02:00
  • Summary
    00:02:00
Natural Resources 528
16 Lessons 00:32:00 Hours
  • Learning Objectives
    00:02:00
  • Introduction
    00:02:00
  • Water
    00:02:00
  • Rain
    00:02:00
  • Water Pollution
    00:02:00
  • Water Cycle
    00:02:00
  • Air
    00:02:00
  • Formation of Winds
    00:02:00
  • Air Pollution
    00:02:00
  • Oxygen Cycle
    00:02:00
  • Ozone Layer
    00:02:00
  • Soil
    00:02:00
  • Formation of Soil
    00:02:00
  • Nitrogen Cycle
    00:02:00
  • Carbon Cycle
    00:02:00
  • Summary
    00:02:00
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Rudra Verma

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