Science 9th std

Online Study, Important Questions with Answer Key, Book back Exercise answers and solution, Question Papers, Textbook, Students Guide, Study Material

Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers

Science 9th std

Term I

Chapter 1: Measurement and Measuring Instruments


=> Measurement and Measuring Instruments
=> Physical Quantities and Units
=> SI System of Units
=> Fundamental Units of SI System
=> Unit Prefixes
=> Rules and Conventions for Writing SI Units
=> Vernier caliper and Screw Gauge
=> Screw Gauge
=> Measuring Mass
=> Accuracy in Measurements

Chapter 2: Motion


=> Motion
=> State of Rest and Motion
=> Types of Motion
=> Distance and Displacement
=> Uniform and Non Uniform Motion
=> Speed, Velocity and Acceleration
=> Graphical Representation of Motion along a Straight Line
=> Equations of Motion
=> Centripetal Acceleration and Centripetal Force
=> Centrifugal Force
=> Summary of Motion

Chapter 3: Light


=> Light
=> Reflection of light
=> Curved Mirrors
=> Image Formed by Curved Mirrors
=> Real and Virtual Image
=> Concave Mirror
=> Convex Mirror
=> Speed of light
=> Total Internal Reflection

Chapter 4: Matter Around Us


=> Matter Around Us
=> Is Matter Particulate or Continuous
=> Evidence for Existence of Particles?
=> Kinetic Particle Theory of Three States of Matter-Solid, Liquid and Gas
=> Solids
=> Liquids
=> Gases
=> Effect of Temperature on Movement of Particles
=> Changes in States of Matter and the Kinetic Particle Theory
=> Melting
=> Freezing
=> Boiling
=> Evaporation
=> Sublimation
=> Effect of Pressure on Gases
=> Classification of Matter Based on Composition
=> Element - Matter Around Us
=> Compound - Matter Around Us
=> Differences between Mixtures and Compounds
=> Types of Mixtures
=> Colloidal Solutions
=> Separation of Mixtures

Chapter 5: Atomic Structure


=> Atomic Structure
=> Laws of Chemical combination
=> Law of Reciprocal Proportions
=> More about of Structure of Atoms
=> Discovery of Nucleus
=> Discovery of Neutrons
=> Isotopes (Iso – same, topo – place, Isotope – same place

Chapter 6: Living World of Plants Plant Physiology


=> Living World of Plants - Plant Physiology
=> Do they Move on their own Accord?
=> Do Plants Move?
=> Do Plants Actually Sense Light?
=> Types of Tropisms in Plants
=> More to Movement than Growth
=> What is Photosynthesis?
=> Food chain: the Link between Plants, Animals and Microorganisms
=> Respiration in plants

Chapter 7: Living World of Animals Diversity in Living Organism Kingdom Animalia


=> Living World of Animals - Diversity in Living Organism - Kingdom Animalia
=> Classification of Living Organisms
=> Criteria for Classification of Animal Kingdom
=> Phylum – Protozoa
=> Phylum – Porifera (Pore bearers)
=> Phylum – Coelenterata or Cnidaria
=> Phylum: Platyhelminthes - (Flat worms)
=> Phylum – Nematoda Aschelminthes (Round worms)
=> Phylum - Annelida - (Segmented Worms)
=> Phylum - Arthropoda - (Organisms with Jointed Legs)
=> Phylum Mollusca - (Soft Bodied Animals)
=> Phylum Echinodermata - (Spiny Skinned Animals)
=> Phylum Chordata
=> Division Vertebrata (Craniata)
=> Super Class Tetrapoda
=> Binomial Names of Common Animals

Chapter 8: Health and Hygiene Food for Living


=> Health and Hygiene-Food for Living
=> Classes of Nutrients
=> A Case Study - Health and Hygiene-Food for Living
=> Protein Energy Malnutrition (PEM)
=> Minerals – Functions and Deficiency Diseases
=> Vitaminosis
=> Methods of Food Preservation
=> Adulteration

Chapter 9: Computer An Introduction


=> Computer – An Introduction

Term II

Chapter 1: Heat


=> Introduction
=> Effects of Heat
=> Transfer of Heat
=> Concept of temperature
=> Specific Heat capacity
=> Heat capacity or Thermal capacity
=> Change of state
=> Latent Heat

Chapter 2: Electric charge and electric current


=> Introduction
=> Electric charges
=> Electric current
=> Electric circuit diagram
=> Effects of electric current
=> Types of current
=> Safe handling of electrical energy

Chapter 3: Magnetism and Electromagnetism


=> Magnetism and Electromagnetism
=> Magnetic field (B)
=> Magnetic Field Lines
=> Magnetic effect of current
=> Force on a current carrying conductor in a magnetic field
=> Force on parallel current carrying conductors
=> Electric motor
=> Electromagnetic Induction
=> Electric generator
=> Transformer
=> Applications of Electromagnets
=> Points to Remember

Chapter 4: Periodic classification of Elements


=> Periodic classification of Elements
=> Early Concepts of Classification of Elements
=> Modern Periodic Table
=> Metals, Non-Metals and Metalloids
=> Alloys

Chapter 5: Chemical bonding


=> Chemical bonding
=> Kossel - Lewis approach to chemical bonds
=> Lewis dot structure
=> Types of chemical bond
=> Oxidation, Reduction and Redox reactions
=> Problems on determination of Oxidation Number

Chapter 6: Acids, Bases and Salts


=> Acids, Bases and Salts
=> What are Acids?
=> What are Bases?
=> Tests for Acids and Bases
=> How strong are Acid or Base solutions?
=> What are Salts?

Chapter 7: Organization of Tissues


=> Organization of Tissues
=> Plant Tissues
=> Meristematic Tissues (Meristems)
=> Permanent Tissues
=> Simple Tissues
=> Complex tissues
=> Animal Tissues
=> Epithelial Tissues
=> Connective Tissue
=> Muscular Tissue
=> Nervous Tissue
=> Cell division
=> Types of Cell Division

Chapter 8: Organ Systems in Animals


=> Organ Systems in Animals
=> Human Digestive System
=> Human Excretory System
=> Human System Reproductive
=> Points to Remember

Chapter 9: Parts of a Computer


=> Parts of a Computer
=> Classification of Computer
=> Connecting the computer

Practical experiments


=> Melting point of wax
=> Verification of Ohm's law
=> Mapping of magnetic field
=> Identifying an acid or a base
=> Identification of Plant and Animal tissues

Term III

Chapter 1: Fluids


=> Fluids
=> Thrust and Pressure
=> Pressure in fluids
=> Atmospheric pressure
=> Pascal's Law
=> Density
=> Buoyancy
=> Archimedes' Principle
=> Laws of flotation

Chapter 2: Sound


=> Sound
=> Production of sound
=> Propagation of sound waves
=> Characteristics of a sound wave
=> Distinguishing different sounds
=> Speed of sound
=> Reflection of sound
=> Echo
=> Reverberation
=> Ultrasonic sound or Ultrasound
=> SONAR
=> Electrocardiogram (ECG)
=> Structure of human ear

Chapter 3: Universe


=> Universe
=> Building Block of the Universe
=> The Solar System
=> Orbital Velocity
=> Time period of a Satellite
=> Kepler’s Laws
=> International Space Station

Chapter 4: Carbon and its Compounds


=> Carbon and its Compounds
=> Discovery of Carbon-Milestones
=> Compounds of Carbon - Classification
=> Special Features of Carbon
=> Physical properties of Carbon and its compounds
=> Chemical Properties of Carbon and its compounds
=> Carbon compounds in everyday life
=> Plastics - Catenated long chain carbon compounds
=> New rules to make Tamil Nadu plastic free
=> Role of students in the prevention of plastic pollution

Chapter 5: Applied Chemistry


=> Applied Chemistry
=> Nanochemistry
=> Pharmaceutical chemistry: Drugs
=> Electrochemical Cell
=> Applications of Radiochemistry
=> Dye Chemistry
=> Agricultural and Food Chemistry
=> Forensic Chemistry
=> Applications of Applied Chemistry

Chapter 6: Environmental Science


=> Environmental Science
=> Biogeochemical cycles
=> Adaptations of plants
=> Adaptations of animals to Habitat, Temperature and Light
=> Water conservation
=> Farm ponds
=> Water recycling
=> IUCN (International Union for Conservation of Nature and Natural Resources)

Chapter 7: Economic Biology


=> Economic Biology
=> Horticulture
=> Manuring (Biomanuring)
=> Types of Biofertilizers
=> Medicinal Plants
=> Mushroom Cultivation
=> Hydroponics
=> Aeroponics
=> Aquaponics
=> Dairy Farming
=> Aquaculture
=> Pisciculture
=> Prawn Culture
=> Vermitechnology
=> Apiculture and Honey Bee

Chapter 8: World of Microbes


=> World of Microbes
=> Microbes and their Types
=> Applications of Microbes
=> Microbes and Diseases
=> Airborne Diseases
=> Waterborne Diseases
=> Vector Borne Diseases
=> Diseases Transmitted by Animals
=> Sexually Transmitted Diseases
=> Immunization

Chapter 9: Hardware and Software


=> Hardware and Software
=> Types of Software
=> System and Application Software types

Practical experiments


=> Density of the material of the body denser than water
=> Laws of reflection of Sound
=> Economic Biology
=> Identification of Microbes
=> Life Cycle of Mosquito

9th Science Teachers Manual - Download Pdf
9th Science Textbook Term 1 - Download Pdf
9th Science Textbook Term 2 - Download Pdf


Download Anna University Notes Android App
Science 9th std - Start Reading Online


Copyright © 2018-2021 BrainKart.com; All Rights Reserved. (BS) Developed by Therithal info, Chennai.