science

This subject covers units such as chemistry, physics and, biology

Physics covers chapters such as Light, Sound, Universe, Measurement, Motion, Heat, Computer-An Introduction, Fluids, Magnetism and Electromagnetism and, Electric Charge and Electric Current

Physics

Chemistry covers chapters such as Atomic structure, Chemical Bonding, Acids, Bases and Salts, Carbon and its Compounds, Periodic Classification of Elements, Matter around us and, Applied Chemistry

Chemistry

Biology covers chapters such as Animal Kingdom, Environmental Science, Plant Physiology, Nutrition and Health, World of Microbes, Organ Systems in Animals, Economic Biology and, Organization of Tissues

Biology

Science Standard 9

SCIENCE TEXTBOOK FOR CLASS IX

Radioactive Isotopes: An Overview

Hydrometer

Phototropism, Geotropism, & Seismonastic Movements

Beam Balance

Sound Quality or Timbre

Classification of Animals

Classification of Drugs

Single Cell Protein and Mushroom Culture

Fertilisers

Accuracy and Precision

IUCN Red List

Separation Techniques

Biodegradable and Non-biodegradable Materials

Plastics and the Environment

Non-infectious Diseases and Peptic Ulcer

Meristematic Tissues

Physical Quantity as Ratios

Speed of Sound Wave in Gases

Speed of Sound Waves in Solids and Liquids

Chemicals in Food

Acute and Chronic Diseases

Acid-base Indicators

Principle of Floatation

Range of Mass

pH Scale

Centrifugation Process

Applications of TIR: Mirage and Looming

Total Internal Reflection: How It Occurs?

Refraction: Introduction and Laws

Sign Convention

Theory of Transformers

An Introduction to Polymers

Electrolysis of Aqueous Salts Using Inert Electrodes

Pollution and Pollutants

Determination of Speed of Sound

Specific Heat Capacity of Water

Distance vs Displacement

Screw Gauge: A Precision Measuring Device

Least Count of Vernier Calipers

Vernier Calipers: A Length Measuring Device

Preparation and Properties of Methane

Polarisation and Polarisability

Properties of Ionic Compounds

Bohr's Atomic Model

Ligaments

Epithelial Tissue

Current Carrying Conductor Inside a Magnetic Field

Factors Affecting Magnetic Field of Straight Wire

Electrical Energy and Flow of Charge in a Circuit

Basic Properties of Electric Charge

Coordination in Plants

Kidney as the Body Filter

Raw Materials for Photosynthesis

Periods in the Modern Periodic Table

Groups in the Modern Periodic Table

Salt Solutions

Reactions of Acids with Metal Hydrogen Carbonates

Chemical Properties of Acids and Bases

pH of a Solution

Common Element Present in Acids

Study of Infrasound and Ultrasound in Waves

Factors Affecting the Speed of Sound in Air

Sound Propagation

Density of Substances

A Formal Proof of Archimedes' Principle

Archimedes’ Principle: Statement and Applications

Equations of Motion Using Graphs

More on Speed and Velocity

Rule of Binomial Nomenclature

Classification of Eukaryotic Organisms

Muscular and Nervous Tissue

Connective Tissues

Complex Tissues (Xylem and Phloem)

Simple Permanent Tissue: Parenchyma

Origin of Atomic Number and Mass Number

Rutherford's Model of an Atom and Its Drawback

Law of Conservation of Mass

Separation of Dyes in Black Ink by Chromatography

Simple Distillation

Properties of Colloids

Suspensions and Their Properties

Mixtures

The Three States of Matter

Asteroids, Comets, Meteors and Meteorites

The Inner Planets

The Sun

Nitrogen Cycle

Impacts of Human Activities on the Environment

Process of Transpiration

Evaporation

Electromagnet and Its Application

Magnetic Effect of Electric Current

Symbols of Circuit Components

Distance-time Graph

Another Example of a Distance-time Graph

Blood and Its Components

Natural Indicators

An Activity to Demonstrate Convection

Heat: The Flow of Energy

Teeth and Their Functions Explained

This chapter covers topics like Adaptations of Plants and Animals, Biogeochemical Cycles, Introduction to Environment and Environmental Issues and Water Conservation, Farm Ponds and Water Recycling.

Environmental Science

This chapter covers topics like Introduction to Economic Biology, Apiculture, Aquaculture, Pisciculture and Prawn Culture, Dairy Farming, Horticulture and Its Types, Hydroponics, Aeroponics and Aquaponics, etc.

Economic Biology

This chapter covers topics like Introduction to Microbes and Their Types, Air-borne, Water-borne and Vector-borne Diseases, Applications of Microbes, Diseases Transmitted by Animals, Immunization, Sexually Transmitted Diseases, etc.

World of Microbes

This chapter covers topics like Introduction to Nutrition and Health, Classes of Nutrients, Food Hygiene, Preservation and Adulteration, Food Quality Control and Protein Energy Malnutrition (PEM).

Nutrition and Health

This chapter covers topics like Human Digestive System, Human Excretory System, Human Reproductive System and Introduction to Organ Systems in Animals.

Organ Systems in Animals

This chapter covers topics like Introduction to Plant Physiology, Photosynthesis, Transpiration and Tropic and Nastic Movements in Plants.

Plant Physiology

This chapter covers topics like Introduction to Organization of Tissues, Plant Tissues, Animal Tissues and Cell Division.

Organization of Tissues

This chapter covers topics like Introduction to Animal Kingdom, Classification of Living Organisms, Binomial Nomenclature, Animal Kingdom: Chordata and Animal Kingdom: Non-Chordata.

Animal Kingdom

This chapter covers topics like Introduction to applied chemistry, Applications of Applied Chemistry, Agricultural and Food Chemistry, Dye Chemistry, Electrochemistry, Forensic Chemistry, Nanochemistry, Pharmaceutical chemistry and Radiochemistry.

Applied Chemistry

This chapter covers topics like Introduction to carbon, Discovery of Carbon, Carbon compounds in everyday life, Compounds of Carbon – Classification, Chemical and Physical properties of Carbon and its compounds, etc.

Carbon and its Compounds

This chapter covers topics like Acids, Bases, Salts, Strength of Acidic or Basic solutions and Tests for Acids and Bases.

Acids, Bases and Salts

This chapter covers topics like Introduction to a chemical bond, Kossel – Lewis approach to chemical bonds, Lewis dot structure, Oxidation, Reduction and Redox reactions and Types of chemical bond.

Chemical Bonding

This chapter covers topics like Early Concepts of Classification of Elements, Modern Periodic Table, Alloys, Metals, Non-metals and Metalloids.

Periodic Classification of Elements

This chapter covers topics like Introduction to an atom, Atomic number and Mass number, Bohr’s model of an atom, Characteristics of fundamental particles, Discovery of Neutrons, Discovery of nucleus, Isotopes, Isobars and Isotones, etc.

Atomic Structure

This chapter covers topics like Introduction to matter, Classification of Matter, Separation of mixtures, Solutions and Types of mixture.

Matter Around Us

This chapter covers topics like Evolution of Universe, The Solar System, International Space Station, Kepler's Laws, Orbital Velocity and Time Period of Satellites.

Universe

This chapter covers topics like Characteristics of Sound Waves, Distinguishing Different Sounds, Human Ear, Production and Propagation of Sound Waves, Reflection of Sound and Echo, Sonar and Ultrasonic Sound and Its Applications.

Sound

This chapter covers topics like Change of State, Effects of Heat, Heat Capacity and Specific Heat Capacity, Temperature and Transfer of Heat.

Heat

This chapter covers topics like Curved Mirrors, Reflection of Light, Refraction of Light and Total Internal Reflection.

Light

This chapter covers topics like Magnetic Effect of Current, Magnetic Field and Magnetic Field Lines, Electric Generator, Electric Motor, Electro Magnets and Applications of Electromagnets, Electromagnetic Induction, etc.

Magnetism and Electromagnetism

This chapter covers topics like Electric Charges, Electric Circuit Diagram, Electric Current, Effect of Electric Current, Types of Current, Electric Field, Force and Potential and Dangers of Electricity and Precautions to be Taken.

Electric Charge and Electric Current

This chapter covers topics like Atmospheric pressure, Buoyancy and Archimedes' Principle, Density and Relative Density and Laws of Flotation, Pascal's Law and Pressure in Fluids.

Fluids

This chapter covers topics like Centripetal and Centrifugal Forces, Distance and Displacement, Equations of Motion, Free Falling Body, Graphical Representation of Motion Along a Straight Line, Rest and Motion, Speed, Velocity and Acceleration, etc.

Motion

This chapter covers topics like Accuracy in Measurements, Fundamental and Derived Quantities, Measuring Mass, Physical Quantities and Units, SI System of Units, Unit Prefixes and Vernier Caliper and Screw Gauge.

Measurement

This chapter covers topics such as Computer and Its Importance, History of Computer and Data and Information etc.

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