science

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

Biology covers chapters such as Cell - Structure and Functions, Crop Production And Management, Microorganism Friend and Foe, Reproduction in Animals, Conservation of Plants and Animals and, Reaching the age of Adolescence

Biology

Chemistry covers chapters such as Coal and Petroleum, Synthetic Fibres and Plastics, Combustion and Flame and, Material : Metals and Non-Metals

Chemistry

Physics covers chapters such as Light, Sound, Friction, Force and Pressure, Chemical Effects of Electric Current, Stars and The Solar System and, Some Natural Phenomenon

Physics

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SCIENCE TEXTBOOK FOR CLASS VIII

Uncovering the Wonders and Risks of Cloning

Nervous System of a Frog

Care of Eyes

Crop Harvesting

Braille System

Production of Sound in Humans

Hormones and the Life Cycles of Insects and Frogs

Role of Hormones in Reproductive Functions

Secondary Sex Characteristics

Fertilisers

Visually Challenged Persons

Fallowing and Plant Nurseries

Food Preservation

Food Preservation (Pasteurisation)

Traditional Methods of Irrigation

Soil Preparation

Deforestation

The Structure of a Flame

Natural and Synthetic Fibres

Petrochemicals in Synthetic Fibres

Polymers

Fabrics for Clothes

Irrigation

Ploughing and Agricultural Implements

Biodegradable and Non-biodegradable Materials

Plastics and the Environment

Reproduction and Its Two Modes

Refining of Petroleum

Metal Displacement Reactions

Muscular Force

Contact and Non-contact Forces

Construction and Working of Fire Extinguishers

Study of Infrasound and Ultrasound in Waves

Reducing Global Warming

Phases of the Moon

Asteroids, Comets, Meteors and Meteorites

The Inner Planets

The Sun

Stars in the Sky

Persistence of Vision

Accommodation of the Eye

Kaleidoscope

Earth's Crust

Examples of Electrostatic Charging by Rubbing

Musical Sound and Noise

Loudness and Pitch

Rolling and Sliding Friction

Uses of Friction

Methods of Reducing Friction

Effects of Friction

Examples of Non-contact Forces

Forces and Motion

Forces Are Due to Interaction

Force: Push or Pull

Sex Determination in Humans

Puberty, Menstruation and Menopause

Hormones and Endocrine Glands

Life Cycle of a Frog

Life Cycle of a Butterfly

Fertilisation and Implantation in Humans

Features of the Animal Cell

Nucleus and Lysosomes

Cellular Anatomy of Plant Cell

Structure of Onion Peel and Cork Cells

Different Types of Combustion

Combustible and Non-combustible Substance

Ignition Temperature and Combustion

Types of Fuel and Their Uses

Reactions of Metals with Bases

Reactions of Metals with Acids

Reaction of Metals with Water

Reaction of Metals with Oxygen

Nitrogen Cycle

Microbes - Tiny but Deadly

Algae and Diatoms - Structure and Habitat

Pesticides and Weedicides

Manuring, Weeding and Irrigation

Types of Crops

Crop Production and Crop Improvement

Soil Erosion - Causes and Prevention

Impacts of Human Activities on the Environment

Structure of Ecosystem

Importance of Forests

Forests and Their Resources

Climate Change and Global Warming

Recycling Plastic

Dust and Smoke Particles in Air

Nutrients in Common Food Items

Air Pollution and Its Sources

In Vitro Fertilisation

Sexually Transmitted Disease – AIDS

Female Reproductive System

Male Reproductive System

Artificial Satellites

Calorific Value and Fuel Efficiency

Defects of Vision

Flames and Its Types

Chemical Reactivity of Metals

Importance of Animal Husbandry

The Vermicomposting Process

This Chapter contains topics like Physical Properties of Metals and Non-metals, Chemical Properties of Metals and Non-metals, Uses of Metals and Non-metals, etc.

Material : Metals and Non-Metals

This Chapter contains topics like Nitrogen Fixation, Harmful Microorganisms, Introduction to Microorganisms, Friendly Microorganisms, Food Preservation, etc.

Microorganism Friend and Foe

This Chapter contains topics like Earthquake, Charging by rubbing, Lightning, Charge, Sparks and Electric Charges, etc.

Some Natural Phenomenon

This Chapter contains topics like The Stars and Constellations, Solar System, The Moon, etc.

Stars and The Solar System

This Chapter contains topics like Braille System, Care of Eyes, Inside Our Eyes, Laws of Reflection, Multiple Images, Reflected Light Can be Reflected Again, Regular and Diffused Reflection, Sunlight - White or Coloured, etc.

Light

This Chapter contains topics like Factors affecting Friction, Fluid Friction, Force of Friction, Friction : A Necessary Evil, Increasing and Reducing Friction, etc.

Friction

This Chapter contains topics like A Force can Change the State of Motion, Contact Forces, Exploring Forces, Force - A Push or a Pull, Non-contact Forces, Pressure, and Pressure exerted by Liquids and Gases.

Force and Pressure

This Chapter contains topics like Chemical Effects of Electric Current, Electroplating, and Liquids Conduct Electricity.

Chemical Effects of Electric Current

This Chapter contains topics like Combustion, Controlling the Fire, Flame, Fuel, Fuel Efficiency, Harmful Products due to Burning of Fuels, Structure of a Flame, and Types of Combustion.

Combustion and Flame

This Chapter contains topics like Natural Resources, Coal, Natural Gas, Petroleum, and Conservation of Natural Resources.

Coal and Petroleum

This Chapter contains topics like Asexual Reproduction, Modes of Reproduction, Sexual Reproduction, etc.

Reproduction in Animals

This Chapter contains topics like Adolescence and Puberty, Changes at Puberty, Hormones other than Sex Hormones, Reproductive Health, Reproductive Phase of Life in Humans, etc.

Reaching the age of Adolescence

This Chapter contains topics like Air Pollution, Greenhouse Effect, Water Pollution, Introduction to Pollution, etc.

Pollution of Air and Water

This Chapter contains topics like Agricultural Practices, Basic Practices of Crop Production, Food from Animals, Harvesting, Irrigation, Preparation of Soil, Protection from Weeds, Storage of Food grains, Manure and Fertilisers, etc.

Crop Production And Management

This Chapter contains topics like Consequences of Deforestation, Conservation of Forest and Wildlife, Deforestation and Its Causes, etc.

Conservation of Plants and Animals

This Chapter contains topics like Cell Structure and Function, Comparison of Plant and Animal Cells, Discovery of the Cell, Parts of the Cell, Cell Shape and Size, etc.

Cell - Structure and Functions

This Chapter contains topics like Amplitude, Time Period And Frequency Of A Vibration, Audible and Inaudible Sounds, Noise and Music, Noise Pollution, Sound is Produced by a Vibrating Body, and Sound Needs a Medium for Propagation.

Sound

This Chapter contains topics like Characteristics of Synthetic Fibres, Characteristics of Plastics, Plastics and the Environment, and Types of Synthetic Fibres.

Synthetic Fibres and Plastics

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