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9th Science - TamilNadu State Board (English Medium)

9th Science - TamilNadu State Board (English Medium)



Science 9th std - 9th Science




Physics





Chapter 1: Measurement


1. Measurement and Measuring Instruments - Introduction
2. Physical Quantities and Units
3. SI System of Units
4. Fundamental Units of SI System
5. Unit?Prefixes - Measurement
6. Rules and Conventions for Writing SI Units
7. Vernier caliper and Screw Gauge - Measuring Instruments
8. Screw Gauge - Measuring Instruments
9. Measuring Mass - Measuring Instruments
10. Accuracy in Measurements
11. One Mark Questions Answers - Measurement | Physics | Science
12. Answer the following questions - Measurement | Physics | Science



Chapter 2: Motion


1. Motion - Introduction
2. State of Rest and Motion
3. Types of Motion - Science
4. Distance and Displacement - Science
5. Uniform and Non Uniform Motion
6. Speed, Velocity and Acceleration
7. Graphical Representation of Motion along a Straight Line
8. Equations of Motion - First, Second, Third equation of motion
9. Centripetal Acceleration and Centripetal Force
10. Centrifugal Force
11. Summary of Motion
12. One Mark Questions Answers - Motion | Physics | Science
13. Answer the following questions - Motion | Physics | Science



Chapter 3: Fluids


1. Fluids - Introduction
2. Thrust and Pressure
3. Pressure in fluids
4. Atmospheric pressure
5. Pascal's Law - Hydraulic press | Fluids
6. Density - Relative Density, Floating and sinking | Fluids
7. Buoyancy
8. Archimedes' Principle
9. Laws of flotation - Fluids
10. One Mark Questions Answers - Fluids | Physics | Science
11. Answer the following questions - Fluids | Physics | Science



Chapter 4: Electric Charge And Electric Current


1. Introduction - Electric charge and electric current
2. Electric charges
3. Electric current
4. Electric circuit diagram
5. Effects of electric current
6. Types of current
7. Safe handling of electrical energy
8. One Mark Questions Answers - Electric Charge and Electric Current | Physics | Science
9. Answer the following questions - Electric Charge and Electric Current | Physics | Science



Chapter 5: Magnetism and Electromagnetism


1. Magnetism and Electromagnetism - Introduction
2. Magnetic field (B)
3. Magnetic Field Lines
4. Magnetic effect of current
5. Force on a current carrying conductor in a magnetic field
6. Force on parallel current carrying conductors
7. Electric motor
8. Electromagnetic Induction - Faraday�s experiments, Fleming�s Right Hand Rule
9. Electric generator
10. Transformer
11. Applications of Electromagnets
12. Points to Remember - Magnetism and Electromagnetism | Science
13. One Mark Questions Answers - Magnetism and Electromagnetism | Physics | Science
14. Answer the following questions - Magnetism and Electromagnetism | Physics | Science



Chapter 6: Light


1. Light - Introduction
2. Reflection of light
3. Curved Mirrors - Light | Science
4. Image Formed by Curved Mirrors - Light | Science
5. Real and Virtual Image - Curved Mirrors
6. Concave Mirror
7. Convex Mirror
8. Speed of light
9. Total Internal Reflection - Light
10. One Mark Questions Answers - Light | Physics | Science
11. Answer the following questions - Light | Physics | Science



Chapter 7: Heat


1. Introduction - Heat
2. Effects of Heat
3. Transfer of Heat
4. Concept of temperature
5. Specific Heat capacity
6. Heat capacity or Thermal capacity
7. Change of state
8. Latent Heat
9. One Mark Questions Answers - Heat | Physics | Science
10. Answer the following questions - Heat | Physics | Science



Chapter 8: Sound


1. Sound - Introduction | Science
2. Production of sound
3. Propagation of sound waves
4. Characteristics of a sound wave
5. Distinguishing different sounds
6. Speed of sound
7. Reflection of sound
8. Echo - Sound
9. Reverberation - Sound
10. Ultrasonic sound or Ultrasound - Applications
11. SONAR
12. Electrocardiogram (ECG)
13. Structure of human ear
14. One Mark Questions Answers - Sound | Physics | Science
15. Answer the following questions - Sound | Physics | Science



Chapter 9: Universe


1. Universe - Introduction
2. Building Block of the Universe
3. The Solar System
4. Orbital Velocity - Universe
5. Time period of a Satellite
6. Kepler�s Laws
7. International Space Station - Universe
8. One Mark Questions Answers - Universe | Physics | Science
9. Answer the following questions - Universe | Physics | Science



Chemistry





Chapter 1: Matter Around Us


1. Matter Around Us - Science
2. Is Matter Particulate or Continuous - Science
3. Evidence for Existence of Particles? - Science
4. Kinetic Particle Theory of Three States of Matter-Solid, Liquid and Gas - Science
5. Solids - Matter Around Us | Science
6. Liquids - Matter Around Us | Science
7. Gases - Matter Around Us | Science
8. Effect of Temperature on Movement of Particles - Matter Around Us | Science
9. Changes in States of Matter and the Kinetic Particle Theory
10. Melting - Science
11. Freezing - Science
12. Boiling - Science
13. Evaporation - Science
14. Sublimation - Science
15. Effect of Pressure on Gases - Science
16. Classification of Matter Based on Composition - Science
17. Element - Matter Around Us - Science
18. Compound - Matter Around Us - Science
19. Differences between Mixtures and Compounds - Science
20. Types of Mixtures - Science
21. Colloidal Solutions - Science
22. Separation of Mixtures - Science
23. One Mark Questions Answers - Matter Around Us | Chemistry | Science
24. Answer the following questions - Matter Around Us | Chemistry | Science



Chapter 2: Atomic Structure


1. Atomic Structure - Introduction
2. Laws of Chemical combination - Chemistry
3. Law of Reciprocal Proportions - Atomic Structure | Chemistry
4. More about of Structure of Atoms
5. Discovery of Nucleus - Rutherford� s model, Bohr� s model
6. Discovery of Neutrons
7. Isotopes (Iso � same, topo � place, Isotope � same place
8. One Mark Questions Answers - Atomic Structure | Chemistry | Science
9. Answer the following questions - Atomic Structure | Chemistry | Science



Chapter 3: Periodic Classification of Elements


1. Periodic classification of Elements - Introduction
2. Early Concepts of Classification of Elements - Features, Limitations
3. Modern Periodic Table - Law, Features, Classification, Advantages, Positions
4. Metals, Non-Metals and Metalloids
5. Alloys - Advantages, Composition and uses
6. One Mark Questions Answers - Periodic Classification of Elements | Chemistry | Science
7. Answer the following questions - Periodic Classification of Elements | Chemistry | Science



Chapter 4: Chemical Bonding


1. Chemical bonding - Introduction
2. Kossel - Lewis approach to chemical bonds
3. Lewis dot structure
4. Types of chemical bond - Characteristics, Formation, Illustration
5. Oxidation, Reduction and Redox reactions
6. Problems on determination of Oxidation Number - Solved Example Problems with Answers, Solution
7. One Mark Questions Answers - Chemical Bonding | Chemistry | Science
8. Answer the following questions - Chemical Bonding | Chemistry | Science



Chapter 5: Acids, Bases and Salts


1. Acids, Bases and Salts - Introduction
2. What are Acids? - Classification, Properties and Uses of Acids, Aquaregia
3. What are Bases? - Classification, Properties and Uses of Bases | alkalis
4. Tests for Acids and Bases
5. How strong are Acid or Base solutions?
6. What are Salts? - Classification, Properties, Identification and Uses of Salts
7. One Mark Questions Answers - Acids, Bases and Salts | Chemistry | Science
8. Answer the following questions - Acids, Bases and Salts | Chemistry | Science



Chapter 6: Carbon and its Compounds


1. Carbon and its Compounds - Introduction
2. Discovery of Carbon-Milestones
3. Compounds of Carbon - Classification
4. Special Features of Carbon
5. Physical properties of Carbon and its compounds
6. Chemical Properties of Carbon and its compounds
7. Carbon compounds in everyday life
8. Plastics - Catenated long chain carbon compounds - Drawbacks, Identifying different types, Harmful effects of plastics
9. New rules to make Tamil Nadu plastic free - Banned items
10. Role of students in the prevention of plastic pollution
11. One Mark Questions Answers - Carbon and its Compounds | Chemistry | Science
12. Answer the following questions - Carbon and its Compounds | Chemistry | Science



Chapter 7: Applied Chemistry


1. Applied Chemistry - Introduction
2. Nanochemistry - Size, Properties, Applications, Drawbacks of nanomaterials | chemistry
3. Pharmaceutical chemistry: Drugs - Characteristics, Sources, Types of Drugs
4. Electrochemical Cell - Components, Cell reactions, Types, Applications, Significance
5. Applications of Radiochemistry
6. Dye Chemistry - Colour and Structure, Characteristics, Classification of dyes
7. Agricultural and Food Chemistry
8. Forensic Chemistry
9. Applications of Applied Chemistry
10. One Mark Questions Answers - Applied Chemistry | Chemistry | Science
11. Answer the following questions - Applied Chemistry | Chemistry | Science



Biology





Chapter 1: Animal Kingdom


1. Living World of Animals - Diversity in Living Organism - Kingdom Animalia
2. Classification of Living Organisms
3. Criteria for Classification of Animal Kingdom
4. Phylum � Protozoa - Kingdom Animalia
5. Phylum � Porifera (Pore bearers) - Kingdom Animalia
6. Phylum � Coelenterata or Cnidaria - Kingdom Animalia
7. Phylum: Platyhelminthes - (Flat worms) - Kingdom Animalia
8. Phylum � Nematoda Aschelminthes (Round worms) - Kingdom Animalia
9. Phylum - Annelida - (Segmented Worms) - Kingdom Animalia
10. Phylum - Arthropoda - (Organisms with Jointed Legs) - Kingdom Animalia
11. Phylum Mollusca - (Soft Bodied Animals) - Kingdom Animalia
12. Phylum Echinodermata - (Spiny Skinned Animals) - Kingdom Animalia
13. Phylum Chordata - Kingdom Animalia
14. Division Vertebrata (Craniata) - Kingdom Animalia
15. Super Class Tetrapoda - Kingdom Animalia
16. Binomial Names of Common Animals - Kingdom Animalia
17. One Mark Questions Answers - Animal Kingdom | Biology | Science
18. Answer the following questions - Animal Kingdom | Biology | Science



Chapter 2: Organisation of Tissues


1. Organization of Tissues - Introduction
2. Plant Tissues - Classification
3. Meristematic Tissues (Meristems) - Characteristic features, Types/Classification, Functions | Plant Tissue
4. Permanent Tissues - Classification | Plant Tissue
5. Simple Tissues - Classification, Functions | Plant Simple Tissue
6. Complex tissues - Classification, elements | Plant Permanent Tissue
7. Animal Tissues - Types/Classification
8. Epithelial Tissues - Classification/Types, Functions | Animal Tissue
9. Connective Tissue - Classification/Types, Functions | Animal Tissue
10. Muscular Tissue - Classification/Types, Functions | Animal Tissue
11. Nervous Tissue - Animal Tissue
12. Cell division
13. Types of Cell Division - Process, stages, Significance | Animal cells
14. One Mark Questions Answers - Organisation of Tissues | Biology | Science
15. Answer the following questions - Organisation of Tissues | Biology | Science



Chapter 3: Plant Physiology


1. Living World of Plants - Plant Physiology - Introduction
2. Do they Move on their own Accord?
3. Do Plants Move?
4. Do Plants Actually Sense Light?
5. Types of Tropisms in Plants
6. More to Movement than Growth - Plant Physiology
7. What is Photosynthesis?
8. Food chain: the Link between Plants, Animals and Microorganisms
9. Respiration in plants
10. One Mark Questions Answers - Plant Physiology | Biology | Science
11. Answer the following questions - Plant Physiology | Biology | Science



Chapter 4: Organ Systems in Animals


1. Organ Systems in Animals
2. Human Digestive System - Organs, Structure, Functions
3. Human Excretory System - Functions, Structure
4. Human System Reproductive - Functions, Structure
5. Points to Remember - Organ Systems in Animals | Science
6. One Mark Questions Answers - Organ Systems in Animals | Biology | Science
7. Answer the following questions - Organ Systems in Animals | Biology | Science



Chapter 5: Nutrition and Health


1. Health and Hygiene-Food for Living - Introduction
2. Classes of Nutrients
3. A Case Study - Health and Hygiene-Food for Living
4. Protein Energy Malnutrition (PEM)
5. Minerals � Functions and Deficiency Diseases
6. Vitaminosis
7. Methods of Food Preservation
8. Adulteration - Health and Hygiene-Food for Living
9. One Mark Questions Answers - Nutrition and Health | Biology | Science
10. Answer the following questions - Nutrition and Health | Biology | Science



Chapter 6: World of Microbes


1. World of Microbes - Introduction
2. Microbes and their Types
3. Applications of Microbes - in Agriculture, Industries, Medicine
4. Microbes and Diseases
5. Airborne Diseases - Diseases caused by bacteria, viruses
6. Waterborne Diseases - Diseases caused by bacteria, virus
7. Vector Borne Diseases
8. Diseases Transmitted by Animals
9. Sexually Transmitted Diseases
10. Immunization
11. One Mark Questions Answers - World of Microbes | Biology | Science
12. Answer the following questions - World of Microbes | Biology | Science



Chapter 7: Economic Biology


1. Economic Biology - Introduction
2. Horticulture
3. Manuring (Biomanuring)
4. Types of Biofertilizers
5. Medicinal Plants
6. Mushroom Cultivation
7. Hydroponics - Importance
8. Aeroponics
9. Aquaponics
10. Dairy Farming
11. Aquaculture - Types, Prospects
12. Pisciculture
13. Prawn Culture
14. Vermitechnology - Vermiculture, Vermicompost, Materials required, Methods, Advantages
15. Apiculture and Honey Bee
16. One Mark Questions Answers - Economic Biology | Biology | Science
17. Answer the following questions - Economic Biology | Biology | Science



Chapter 8: Environmental Science


1. Environmental Science - Introduction
2. Biogeochemical cycles
3. Adaptations of plants - Hydrophytes, Xerophytes, Mesophytes
4. Adaptations of animals to Habitat, Temperature and Light
5. Water conservation - Importance, Ways, strategies
6. Farm ponds - Layout, Advantages, Limitations
7. Water recycling - Stages, Uses
8. IUCN (International Union for Conservation of Nature and Natural Resources)
9. One Mark Questions Answers - Environmental Science | Biology | Science
10. Answer the following questions - Environmental Science | Biology | Science



Computer





Chapter 0: Computer An Introduction


1. Computer � An Introduction
2. Parts of a Computer
3. Classification of Computer
4. Connecting the computer
5. Hardware and Software - Introduction
6. Types of Software
7. System and Application Software types



Chapter 1: Libre office Impress


1. One Mark Questions Answers - Libre office Impress | Computer | Science
2. Answer the following questions - Libre office Impress | Computer | Science



Practical experiments I


1. Melting point of wax - Science laboratory practical experiments
2. Verification of Ohm's law - Science laboratory practical experiments
3. Mapping of magnetic field - Science laboratory practical experiments
4. Identifying an acid or a base - Science laboratory practical experiments
5. Identification of Plant and Animal tissues - Science laboratory practical experiments



Practical experiments II


1. Density of the material of the body denser than water - Science laboratory practical experiments
2. Laws of reflection of Sound - Science laboratory practical experiments
3. Economic Biology - Science laboratory practical experiments
4. Identification of Microbes - Science laboratory practical experiments
5. Life Cycle of Mosquito - Science laboratory practical experiments



Term I





Chapter 1: Measurement and Measuring Instruments


1. Measurement and Measuring Instruments - Introduction
2. Physical Quantities and Units
3. SI System of Units
4. Fundamental Units of SI System
5. Unit?Prefixes - Measurement
6. Rules and Conventions for Writing SI Units
7. Vernier caliper and Screw Gauge - Measuring Instruments
8. Screw Gauge - Measuring Instruments
9. Measuring Mass - Measuring Instruments
10. Accuracy in Measurements
11. One Mark Questions Answers - Measurement | Physics | Science
12. Answer the following questions - Measurement | Physics | Science



Chapter 2: Motion


1. Motion - Introduction
2. State of Rest and Motion
3. Types of Motion - Science
4. Distance and Displacement - Science
5. Uniform and Non Uniform Motion
6. Speed, Velocity and Acceleration
7. Graphical Representation of Motion along a Straight Line
8. Equations of Motion - First, Second, Third equation of motion
9. Centripetal Acceleration and Centripetal Force
10. Centrifugal Force
11. Summary of Motion
12. One Mark Questions Answers - Motion | Physics | Science
13. Answer the following questions - Motion | Physics | Science



Chapter 3: Light


1. Light - Introduction
2. Reflection of light
3. Curved Mirrors - Light | Science
4. Image Formed by Curved Mirrors - Light | Science
5. Real and Virtual Image - Curved Mirrors
6. Concave Mirror
7. Convex Mirror
8. Speed of light
9. Total Internal Reflection - Light
10. One Mark Questions Answers - Light | Physics | Science
11. Answer the following questions - Light | Physics | Science



Chapter 4: Matter Around Us


1. Matter Around Us - Science
2. Is Matter Particulate or Continuous - Science
3. Evidence for Existence of Particles? - Science
4. Kinetic Particle Theory of Three States of Matter-Solid, Liquid and Gas - Science
5. Solids - Matter Around Us | Science
6. Liquids - Matter Around Us | Science
7. Gases - Matter Around Us | Science
8. Effect of Temperature on Movement of Particles - Matter Around Us | Science
9. Changes in States of Matter and the Kinetic Particle Theory
10. Melting - Science
11. Freezing - Science
12. Boiling - Science
13. Evaporation - Science
14. Sublimation - Science
15. Effect of Pressure on Gases - Science
16. Classification of Matter Based on Composition - Science
17. Element - Matter Around Us - Science
18. Compound - Matter Around Us - Science
19. Differences between Mixtures and Compounds - Science
20. Types of Mixtures - Science
21. Colloidal Solutions - Science
22. Separation of Mixtures - Science
23. One Mark Questions Answers - Matter Around Us | Chemistry | Science
24. Answer the following questions - Matter Around Us | Chemistry | Science



Chapter 5: Atomic Structure


1. Atomic Structure - Introduction
2. Laws of Chemical combination - Chemistry
3. Law of Reciprocal Proportions - Atomic Structure | Chemistry
4. More about of Structure of Atoms
5. Discovery of Nucleus - Rutherford� s model, Bohr� s model
6. Discovery of Neutrons
7. Isotopes (Iso � same, topo � place, Isotope � same place
8. One Mark Questions Answers - Atomic Structure | Chemistry | Science
9. Answer the following questions - Atomic Structure | Chemistry | Science



Chapter 6: Living World of Plants Plant Physiology


1. Living World of Plants - Plant Physiology - Introduction
2. Do they Move on their own Accord?
3. Do Plants Move?
4. Do Plants Actually Sense Light?
5. Types of Tropisms in Plants
6. More to Movement than Growth - Plant Physiology
7. What is Photosynthesis?
8. Food chain: the Link between Plants, Animals and Microorganisms
9. Respiration in plants
10. One Mark Questions Answers - Plant Physiology | Biology | Science
11. Answer the following questions - Plant Physiology | Biology | Science



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


1. Living World of Animals - Diversity in Living Organism - Kingdom Animalia
2. Classification of Living Organisms
3. Criteria for Classification of Animal Kingdom
4. Phylum � Protozoa - Kingdom Animalia
5. Phylum � Porifera (Pore bearers) - Kingdom Animalia
6. Phylum � Coelenterata or Cnidaria - Kingdom Animalia
7. Phylum: Platyhelminthes - (Flat worms) - Kingdom Animalia
8. Phylum � Nematoda Aschelminthes (Round worms) - Kingdom Animalia
9. Phylum - Annelida - (Segmented Worms) - Kingdom Animalia
10. Phylum - Arthropoda - (Organisms with Jointed Legs) - Kingdom Animalia
11. Phylum Mollusca - (Soft Bodied Animals) - Kingdom Animalia
12. Phylum Echinodermata - (Spiny Skinned Animals) - Kingdom Animalia
13. Phylum Chordata - Kingdom Animalia
14. Division Vertebrata (Craniata) - Kingdom Animalia
15. Super Class Tetrapoda - Kingdom Animalia
16. Binomial Names of Common Animals - Kingdom Animalia
17. One Mark Questions Answers - Animal Kingdom | Biology | Science
18. Answer the following questions - Animal Kingdom | Biology | Science



Chapter 8: Health and Hygiene Food for Living


1. Health and Hygiene-Food for Living - Introduction
2. Classes of Nutrients
3. A Case Study - Health and Hygiene-Food for Living
4. Protein Energy Malnutrition (PEM)
5. Minerals � Functions and Deficiency Diseases
6. Vitaminosis
7. Methods of Food Preservation
8. Adulteration - Health and Hygiene-Food for Living
9. One Mark Questions Answers - Nutrition and Health | Biology | Science
10. Answer the following questions - Nutrition and Health | Biology | Science



Chapter 9: Computer An Introduction


1. Computer � An Introduction
2. One Mark Questions Answers - Libre office Impress | Computer | Science
3. Answer the following questions - Libre office Impress | Computer | Science



Term II





Chapter 1: Heat


1. Introduction - Heat
2. Effects of Heat
3. Transfer of Heat
4. Concept of temperature
5. Specific Heat capacity
6. Heat capacity or Thermal capacity
7. Change of state
8. Latent Heat
9. One Mark Questions Answers - Heat | Physics | Science
10. Answer the following questions - Heat | Physics | Science



Chapter 2: Electric charge and electric current


1. Introduction - Electric charge and electric current
2. Electric charges
3. Electric current
4. Electric circuit diagram
5. Effects of electric current
6. Types of current
7. Safe handling of electrical energy
8. One Mark Questions Answers - Electric Charge and Electric Current | Physics | Science
9. Answer the following questions - Electric Charge and Electric Current | Physics | Science



Chapter 3: Magnetism and Electromagnetism


1. Magnetism and Electromagnetism - Introduction
2. Magnetic field (B)
3. Magnetic Field Lines
4. Magnetic effect of current
5. Force on a current carrying conductor in a magnetic field
6. Force on parallel current carrying conductors
7. Electric motor
8. Electromagnetic Induction - Faraday�s experiments, Fleming�s Right Hand Rule
9. Electric generator
10. Transformer
11. Applications of Electromagnets
12. Points to Remember - Magnetism and Electromagnetism | Science
13. One Mark Questions Answers - Magnetism and Electromagnetism | Physics | Science
14. Answer the following questions - Magnetism and Electromagnetism | Physics | Science



Chapter 4: Periodic classification of Elements


1. Periodic classification of Elements - Introduction
2. Early Concepts of Classification of Elements - Features, Limitations
3. Modern Periodic Table - Law, Features, Classification, Advantages, Positions
4. Metals, Non-Metals and Metalloids
5. Alloys - Advantages, Composition and uses
6. One Mark Questions Answers - Periodic Classification of Elements | Chemistry | Science
7. Answer the following questions - Periodic Classification of Elements | Chemistry | Science



Chapter 5: Chemical bonding


1. Chemical bonding - Introduction
2. Kossel - Lewis approach to chemical bonds
3. Lewis dot structure
4. Types of chemical bond - Characteristics, Formation, Illustration
5. Oxidation, Reduction and Redox reactions
6. Problems on determination of Oxidation Number - Solved Example Problems with Answers, Solution
7. One Mark Questions Answers - Chemical Bonding | Chemistry | Science
8. Answer the following questions - Chemical Bonding | Chemistry | Science



Chapter 6: Acids, Bases and Salts


1. Acids, Bases and Salts - Introduction
2. What are Acids? - Classification, Properties and Uses of Acids, Aquaregia
3. What are Bases? - Classification, Properties and Uses of Bases | alkalis
4. Tests for Acids and Bases
5. How strong are Acid or Base solutions?
6. What are Salts? - Classification, Properties, Identification and Uses of Salts
7. One Mark Questions Answers - Acids, Bases and Salts | Chemistry | Science
8. Answer the following questions - Acids, Bases and Salts | Chemistry | Science



Chapter 7: Organization of Tissues


1. Organization of Tissues - Introduction
2. Plant Tissues - Classification
3. Meristematic Tissues (Meristems) - Characteristic features, Types/Classification, Functions | Plant Tissue
4. Permanent Tissues - Classification | Plant Tissue
5. Simple Tissues - Classification, Functions | Plant Simple Tissue
6. Complex tissues - Classification, elements | Plant Permanent Tissue
7. Animal Tissues - Types/Classification
8. Epithelial Tissues - Classification/Types, Functions | Animal Tissue
9. Connective Tissue - Classification/Types, Functions | Animal Tissue
10. Muscular Tissue - Classification/Types, Functions | Animal Tissue
11. Nervous Tissue - Animal Tissue
12. Cell division
13. Types of Cell Division - Process, stages, Significance | Animal cells
14. One Mark Questions Answers - Organisation of Tissues | Biology | Science
15. Answer the following questions - Organisation of Tissues | Biology | Science



Chapter 8: Organ Systems in Animals


1. Organ Systems in Animals
2. Human Digestive System - Organs, Structure, Functions
3. Human Excretory System - Functions, Structure
4. Human System Reproductive - Functions, Structure
5. Points to Remember - Organ Systems in Animals | Science
6. One Mark Questions Answers - Organ Systems in Animals | Biology | Science
7. Answer the following questions - Organ Systems in Animals | Biology | Science



Chapter 9: Parts of a Computer


1. Parts of a Computer
2. Classification of Computer
3. Connecting the computer



Practical experiments


1. Melting point of wax - Science laboratory practical experiments
2. Verification of Ohm's law - Science laboratory practical experiments
3. Mapping of magnetic field - Science laboratory practical experiments
4. Identifying an acid or a base - Science laboratory practical experiments
5. Identification of Plant and Animal tissues - Science laboratory practical experiments



Term III





Chapter 1: Fluids


1. Fluids - Introduction
2. Thrust and Pressure
3. Pressure in fluids
4. Atmospheric pressure
5. Pascal's Law - Hydraulic press | Fluids
6. Density - Relative Density, Floating and sinking | Fluids
7. Buoyancy
8. Archimedes' Principle
9. Laws of flotation - Fluids
10. One Mark Questions Answers - Fluids | Physics | Science
11. Answer the following questions - Fluids | Physics | Science



Chapter 2: Sound


1. Sound - Introduction | Science
2. Production of sound
3. Propagation of sound waves
4. Characteristics of a sound wave
5. Distinguishing different sounds
6. Speed of sound
7. Reflection of sound
8. Echo - Sound
9. Reverberation - Sound
10. Ultrasonic sound or Ultrasound - Applications
11. SONAR
12. Electrocardiogram (ECG)
13. Structure of human ear
14. One Mark Questions Answers - Sound | Physics | Science
15. Answer the following questions - Sound | Physics | Science



Chapter 3: Universe


1. Universe - Introduction
2. Building Block of the Universe
3. The Solar System
4. Orbital Velocity - Universe
5. Time period of a Satellite
6. Kepler�s Laws
7. International Space Station - Universe
8. One Mark Questions Answers - Universe | Physics | Science
9. Answer the following questions - Universe | Physics | Science



Chapter 4: Carbon and its Compounds


1. Carbon and its Compounds - Introduction
2. Discovery of Carbon-Milestones
3. Compounds of Carbon - Classification
4. Special Features of Carbon
5. Physical properties of Carbon and its compounds
6. Chemical Properties of Carbon and its compounds
7. Carbon compounds in everyday life
8. Plastics - Catenated long chain carbon compounds - Drawbacks, Identifying different types, Harmful effects of plastics
9. New rules to make Tamil Nadu plastic free - Banned items
10. Role of students in the prevention of plastic pollution
11. One Mark Questions Answers - Carbon and its Compounds | Chemistry | Science
12. Answer the following questions - Carbon and its Compounds | Chemistry | Science



Chapter 5: Applied Chemistry


1. Applied Chemistry - Introduction
2. Nanochemistry - Size, Properties, Applications, Drawbacks of nanomaterials | chemistry
3. Pharmaceutical chemistry: Drugs - Characteristics, Sources, Types of Drugs
4. Electrochemical Cell - Components, Cell reactions, Types, Applications, Significance
5. Applications of Radiochemistry
6. Dye Chemistry - Colour and Structure, Characteristics, Classification of dyes
7. Agricultural and Food Chemistry
8. Forensic Chemistry
9. Applications of Applied Chemistry
10. One Mark Questions Answers - Applied Chemistry | Chemistry | Science
11. Answer the following questions - Applied Chemistry | Chemistry | Science



Chapter 6: Environmental Science


1. Environmental Science - Introduction
2. Biogeochemical cycles
3. Adaptations of plants - Hydrophytes, Xerophytes, Mesophytes
4. Adaptations of animals to Habitat, Temperature and Light
5. Water conservation - Importance, Ways, strategies
6. Farm ponds - Layout, Advantages, Limitations
7. Water recycling - Stages, Uses
8. IUCN (International Union for Conservation of Nature and Natural Resources)
9. One Mark Questions Answers - Environmental Science | Biology | Science
10. Answer the following questions - Environmental Science | Biology | Science



Chapter 7: Economic Biology


1. Economic Biology - Introduction
2. Horticulture
3. Manuring (Biomanuring)
4. Types of Biofertilizers
5. Medicinal Plants
6. Mushroom Cultivation
7. Hydroponics - Importance
8. Aeroponics
9. Aquaponics
10. Dairy Farming
11. Aquaculture - Types, Prospects
12. Pisciculture
13. Prawn Culture
14. Vermitechnology - Vermiculture, Vermicompost, Materials required, Methods, Advantages
15. Apiculture and Honey Bee
16. One Mark Questions Answers - Economic Biology | Biology | Science
17. Answer the following questions - Economic Biology | Biology | Science



Chapter 8: World of Microbes


1. World of Microbes - Introduction
2. Microbes and their Types
3. Applications of Microbes - in Agriculture, Industries, Medicine
4. Microbes and Diseases
5. Airborne Diseases - Diseases caused by bacteria, viruses
6. Waterborne Diseases - Diseases caused by bacteria, virus
7. Vector Borne Diseases
8. Diseases Transmitted by Animals
9. Sexually Transmitted Diseases
10. Immunization
11. One Mark Questions Answers - World of Microbes | Biology | Science
12. Answer the following questions - World of Microbes | Biology | Science



Chapter 9: Hardware and Software


1. Hardware and Software - Introduction
2. Types of Software
3. System and Application Software types



Practical experiments


1. Density of the material of the body denser than water - Science laboratory practical experiments
2. Laws of reflection of Sound - Science laboratory practical experiments
3. Economic Biology - Science laboratory practical experiments
4. Identification of Microbes - Science laboratory practical experiments
5. Life Cycle of Mosquito - Science laboratory practical experiments




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