Science 8th Std (TN 8th Science English Medium)

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Science 8th Std

Book Back Solution


8th Science : Chapter 1 : Measurement : Questions Answers [View Solution]
8th Science : Chapter 1 : Measurement : Numerical problems [View Solution]
8th Science : Chapter 1 : Measurement : Student Activities [View Solution]
8th Science : Chapter 2 : Force and Pressure : Questions Answers [View Solution]
8th Science : Chapter 2 : Force and Pressure : Numerical problems [View Solution]
8th Science : Chapter 2 : Force and Pressure : Student Activities [View Solution]
8th Science : Chapter 3 : Light : Questions Answers [View Solution]
8th Science : Chapter 3 : Light : Numerical problems [View Solution]
8th Science : Chapter 3 : Light : Student Activities [View Solution]
8th Science : Chapter 4 : Heat : Questions Answers [View Solution]
8th Science : Chapter 4 : Heat : Numerical problems [View Solution]
8th Science : Chapter 4 : Heat : Student Activities [View Solution]
8th Science : Chapter 5 : Electricity : Questions Answers [View Solution]
8th Science : Chapter 5 : Electricity : Student Activities [View Solution]
8th Science : Chapter 6 : Sound : Questions Answers [View Solution]
8th Science : Chapter 6 : Sound : Numerical problems [View Solution]
8th Science : Chapter 6 : Sound : Student Activities [View Solution]
8th Science : Chapter 7 : Magnetism : Questions Answers [View Solution]
8th Science : Chapter 7 : Magnetism : Student Activities [View Solution]
8th Science : Chapter 8 : Universe and Space Science : Questions Answers [View Solution]
8th Science : Chapter 8 : Universe and Space Science : Student Activities [View Solution]
8th Science : Chapter 9 : Matter Around Us : Questions Answers [View Solution]
8th Science : Chapter 9 : Matter Around Us : Student Activities [View Solution]
8th Science : Chapter 10 : Changes Around Us : Questions Answers [View Solution]
8th Science : Chapter 10 : Changes Around Us : Student Activities [View Solution]
8th Science : Chapter 11 : Air : Questions Answers [View Solution]
8th Science : Chapter 11 : Air : Student Activities [View Solution]
8th Science : Chapter 12 : Atomic Structure : Questions Answers [View Solution]
8th Science : Chapter 12 : Atomic Structure : Student Activities [View Solution]
8th Science : Chapter 13 : Water : Questions Answers [View Solution]
8th Science : Chapter 13 : Water : Student Activities [View Solution]
8th Science : Chapter 14 : Acids and Bases : Questions Answers [View Solution]
8th Science : Chapter 14 : Acids and Bases : Student Activities [View Solution]
8th Science : Chapter 15 : Chemistry in Everyday Life : Questions Answers [View Solution]
8th Science : Chapter 15 : Chemistry in Everyday Life : Student Activities [View Solution]
8th Science : Chapter 16 : Microorganisms : Questions Answers [View Solution]
8th Science : Chapter 16 : Microorganisms : Student Activities [View Solution]
8th Science : Chapter 17 : Plant Kingdom : Questions Answers [View Solution]
8th Science : Chapter 17 : Plant Kingdom : Student Activities [View Solution]
8th Science : Chapter 18 : Organisation of Life : Questions Answers [View Solution]
8th Science : Chapter 18 : Organisation of Life : Student Activities [View Solution]
8th Science : Chapter 19 : Movements in Animals : Questions Answers [View Solution]
8th Science : Chapter 19 : Movements in Animals : Student Activities [View Solution]
8th Science : Chapter 20 : Reaching the age of Adolescence : Questions Answers [View Solution]
8th Science : Chapter 20 : Reaching the age of Adolescence : Student Activities [View Solution]
8th Science : Chapter 21 : Crop Production and Management : Questions Answers [View Solution]
8th Science : Chapter 22 : Conservation of Plants and Animals : Questions Answers [View Solution]
8th Science : Chapter 22 : Conservation of Plants and Animals : Student Activities [View Solution]
8th Science : Chapter 23 : Libre Office Calc : Questions Answers [View Solution]

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8th Science



8th Science : Chapter 1 : Measurement

Measurement
Unit Systems
International System of Units
Types of clock
Accuracy in Measurements
Approximation
Rounding off
Points to Remember, Glossary, Concept Map
Questions Answers
Numerical problems
Student Activities

8th Science : Chapter 2 : Force and Pressure

Force and Pressure
Force
Pressure
Pressure exerted by Air
Force and Pressure in Liquids
Surface Tension
Viscous Force or Viscosity
Friction
Points to Remember, Glossary, Concept Map
Questions Answers
Numerical problems
Student Activities

8th Science : Chapter 3 : Light

Light
Mirrors
Terms related to Spherical Mirrors
Images formed by Spherical Mirrors
Applications of Curved Mirrors
Laws of Reflection
Types of Reflection
Multiple Reflections
Refraction of Light
Dispersion
Points to Remember, Glossary, Concept Map
Questions Answers
Numerical problems
Student Activities

8th Science : Chapter 4 : Heat

Heat
Effects of Heat
Transfer of Heat
Calorimetry
Calorimeter
Thermostat
Thermos flask (Vacuum flask)
Points to Remember, Glossary, Concept Map
Questions Answers
Numerical problems
Student Activities

8th Science : Chapter 5 : Electricity

Electricity
Atom
Charges
Transfer of Charges
Flow of Charges
Electroscope
Lightning and Thunder
Electric Circuits
Effects of Current
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 6 : Sound

Sound
Production of Sound
Propagation of Sound
Sound Waves
Properties of Sound
Musical Instruments
Sound produced by Humans
Mechanism of Human Ear
Noise Pollution
Points to Remember, Glossary, Concept Map
Questions Answers
Numerical problems
Student Activities

8th Science : Chapter 7 : Magnetism

Magnetism
Classification of Magnets
Magnetic Properties
Magnetic Field
Magnetic Materials
Artificial Magnets
Earth s Magnetism
Uses of Magnets
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 8 : Universe and Space Science

Universe and Space Science
Rockets
India s Space Programmes
NASA (National Aeronautics and Space Administration)
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 9 : Matter Around Us

Matter Around Us
Elements
Metals and Non-metals
Metalloids
Compounds
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 10 : Changes Around Us

Changes Around Us
Chemical changes
Factors determining Chemical changes
Effects of Chemical changes
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 11 : Air

Air
Oxygen
Nitrogen
Carbon dioxide
Green House Effect and Global Warming
Acid rain
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 12 : Atomic Structure

Atomic Structure
Dalton s Atomic Theory
Fundamental Particles
Thomson s Atom Model
Valency
Ions
Chemical formula or Molecular formula
Naming chemical compounds
Chemical Equation
Laws of chemical combinations
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 13 : Water

Water
Composition of Water
Electrolysis of Water
Preparation of Water
Physical, Chemical of Properties of Water
Water - A Universal Solvent
Potable Water
Water Pollution
Controlling Water Pollution
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 14 : Acids and Bases

Acids and Bases
Acids
Bases
Neutralisation Reaction
Indicators
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 15 : Chemistry in Everyday Life

Chemistry in Everyday Life
Hydrocarbons
Natural Gas
Other Gases
Coal
Petroleum
Fuel
Alternative Fuel
Solar Energy
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 16 : Microorganisms

Microorganisms
Virus
Bacteria
Fungi
Algae
Protozoa
Prions
Virions
Uses of Microorganisms
Harmful Microorganisms
Diseases caused by microorganisms in plants, animals, humans
Relationship Between Man and Microbes-Balances, Imbalances and Uses
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 17 : Plant Kingdom

Plant Kingdom
Algae
Fungi
Bryophytes
Pteridophytes
Gymnosperms
Angiosperms
Taxonomy
Binomial Nomenclature
Uses of medicinal plants
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 18 : Organisation of Life

Organisation of Life
Biological Organisation
Cells
Tissues
Organ
Organ System
Physiological Processes
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 19 : Movements in Animals

Movements in Animals
Movement and Locomotion
Movement in different Animals
Types of Movements
Joints
Skeleton System
Muscles
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 20 : Reaching the age of Adolescence

Reaching the age of Adolescence
Adolescence and Puberty
Secondary Sex Characteristics of Boys and Girls
Role of Hormones in Reproduction
Reproductive phase of life in Human
Menstrual Cycle
Reproductive Health
Nutritional needs of Adolescents
Personal hygiene for Adolescence
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 21 : Crop Production and Management

Crop Production and Management
Agricultural Practices
Basic Practices of Crop Production
Rotation of Crops
Seed Bank
Bio-indicators
Agriculture Research Institutions
Foliar Sprays
Bio-control Methods
Points to Remember, Glossary, Concept Map
Questions Answers

8th Science : Chapter 22 : Conservation of Plants and Animals

Conservation of Plants and Animals
Deforestation
Afforestation
Reforestation
Endangered Species
Red Data Book
Conservation
PBR (People s Bio-diversity Register)
Biomagnification
Animal Welfare Organisations
Points to Remember, Glossary, Concept Map
Questions Answers
Student Activities

8th Science : Chapter 23 : Libre Office Calc

Libre Office Calc
Spreadsheet
Worksheet and Workbook
Merge cells
Generate Auto Numbers
Functions
Operators in Libre Office Calc
Sorting Data
Working with Charts
Questions Answers

8th Science



8th Science : Chapter 1 : Measurement

8th Science : Chapter 2 : Force and Pressure

8th Science : Chapter 3 : Light

8th Science : Chapter 4 : Heat

8th Science : Chapter 5 : Electricity

8th Science : Chapter 6 : Sound

8th Science : Chapter 7 : Magnetism

8th Science : Chapter 8 : Universe and Space Science

8th Science : Chapter 9 : Matter Around Us

8th Science : Chapter 10 : Changes Around Us

8th Science : Chapter 11 : Air

8th Science : Chapter 12 : Atomic Structure

8th Science : Chapter 13 : Water

8th Science : Chapter 14 : Acids and Bases

8th Science : Chapter 15 : Chemistry in Everyday Life

8th Science : Chapter 16 : Microorganisms

8th Science : Chapter 17 : Plant Kingdom

8th Science : Chapter 18 : Organisation of Life

8th Science : Chapter 19 : Movements in Animals

8th Science : Chapter 20 : Reaching the age of Adolescence

8th Science : Chapter 21 : Crop Production and Management

8th Science : Chapter 22 : Conservation of Plants and Animals

8th Science : Chapter 23 : Libre Office Calc




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