Science

Physics covers chapters such as Sound, Friction, Refraction of Light, Sources of Energy, Chemical Effects of Electric Current and, Sky Vision

Physics

Chemistry covers chapters such as Air, Carbon, Metals and Non-metals, Synthetic Fibres and Plastics and, Chemical Reactions - When and What Types

Chemistry

Biology covers chapters such as Food Production and Management, Some Common Diseases, How Much Food - What Type of Food, Structural and Functional Unit of Our Body - The Cell, Microorganisms - A Wonderful World and, Adolescence

Biology

Science & Technology Class - VIII

Basic Science for Class 8

Expanded Universal Science

Lakhmir Singh's SCIENCE FOR CLASS 8

NCERT Exemplar Science - Class 8

SCIENCE TEXTBOOK FOR CLASS VIII

Production of Sound in Humans

Single Cell Protein and Mushroom Culture

Food Preservation

Food Preservation (Pasteurisation)

The Structure of a Flame

Natural and Synthetic Fibres

Polymers

Ploughing and Agricultural Implements

Necessity of Friction

Biodegradable and Non-biodegradable Materials

Plastics and the Environment

Advantages and Disadvantages of Fossil Fuels

Electrical Conductivity of Metals and Non-metals

Construction and Working of Fire Extinguishers

Importance of Wheat & Rice

Uses of Oxygen Gas

Effect of Drug and Alcohol on the Nervous System

Limiting Reactant

Types of Coal

Solar Cookers

Images Formed by Convex Lens - II

Images Formed by Convex Lens and Its Applications

Diverging Lens

A Converging Lens

Parasitic Animals and Their Hosts

Types of Chemical Reactions

Storage of Grains

Study of Infrasound and Ultrasound in Waves

Sound Propagation

Cell Organelles: ER and the Golgi Body

Asteroids, Comets, Meteors and Meteorites

The Outer Planets

The Inner Planets

Different Constellations

Stars in the Sky

Accommodation of the Eye

Musical Sound and Noise

Loudness and Pitch

Uses of Friction

Methods of Reducing Friction

Effects of Friction

Forces and Motion

Sex Determination in Humans

Puberty, Menstruation and Menopause

Features of the Animal Cell

Nucleus and Lysosomes

Cellular Anatomy of Plant Cell

Different Types of Combustion

Combustible and Non-combustible Substance

Ignition Temperature and Combustion

Chemistry of Fire

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

Image Formed by a Concave Lens

Image Formed by a Convex Lens

Magnifying Glass

Atmospheric Layers of the Earth

Methods of Prevention from Corrosion

Composition of Air

Dust and Smoke Particles in Air

Amount of Oxygen in Air

Water Vapour in Air

Availability of Oxygen at High Altitudes

Air Around Us

Mineral Deficiency Diseases

Diet-related Disorder (Obesity)

Simple Tests for Carbohydrates, Fats and Proteins

Nutrients in Common Food Items

Electrolytic Refining

Air Pollution and Its Sources

Haemoglobin and Sickle Cell Anaemia

Female Reproductive System

Viscous Force and Coefficient of Viscosity

Laminar Flow and Introduction to Viscosity

Causes of Air Pollution

Preparation of Carbon Dioxide

The Occurrence of Carbon Dioxide and Its Uses

Occurrence of Carbon in Nature

What are Electrolytes?

Proteins and Fats

Windmills

Wind Energy

Hydroelectric Power

Water Energy

Non-conventional Sources of Energy

Nuclear Fusion

Nuclear Fission

Solar Energy

Energy and Its Sources

Lenses

This chapter covers topics such as Changes during Adolescence, Introduction to Adolescence, Myths and Taboos on Reproduction, Sex Determination in Human Beings, Reproductive Health, Drug Addiction and Child Marriage, etc.

Adolescence

This chapter covers topics such as Communicable Diseases, Introduction to Diseases, Spreading of Diseases, Vaccination, Sickle-cell Anaemia—A genetic Disease, etc.

Some Common Diseases

This chapter covers topics such as Balanced Diet, Water, Biochemical Tests, Wastage of Food Items and Food Preservation, Different Types of Food Items, etc.

How Much Food - What Type of Food

This chapter covers topics such as Factors Affecting Friction, Friction a Necessary Evil, Earthquake—A Natural Phenomenon, Methods of Increasing or Reducing Friction, Force of Friction, Fluid Friction, etc.

Friction

This chapter covers topics such as Mushroom Cultivation and Crop Improvement, Food Products from Animals, Agricultural Practices, Introduction to Agriculture, Types of Crops, etc.

Food Production and Management

This chapter covers topics such as Wind, Steam and Nuclear Energies, Fossil Fuels, Primary Source of Energy, Solar Energy, Hydroelectric and Tidal Energies, etc.

Sources of Energy

This chapter covers topics such as Electric Cell, Liquids Conduct Electricity, Electroplating, Chemical Effects of Electric Current, etc.

Chemical Effects of Electric Current

This chapter covers topics such as Reflection of Sound and Echo, Hearing of Sound, Amplitude, Frequency and Time Period of Vibration, Sound and Medium, Properties of Sound, The Sound Produced by Different Musical Instruments, and Production of Sound.

Sound

This chapter covers topics such as Human Eye—A Living Lens, Spherical Lenses, Eye Defects, Introduction to Refraction, Formation of Images by Lenses, etc.

Refraction of Light

This chapter covers topics such as Introduction to Microorganisms, Study of Microorganisms, Habitat and Types of Microorganisms, etc.

Microorganisms - A Wonderful World

This chapter covers topics such as Structural Organisation of a Cell, Eukaryotic Vs Prokaryotic Cell, Introduction to a Cell, etc.

Structural and Functional Unit of Our Body - The Cell

This chapter covers topics such as Presence of Carbon, Burning and Combustion, Compounds of Carbon, Catching Fire, Allotropes of Carbon, etc.

Carbon

This chapter covers topics such as Chemical Properties of Metals and Non-metals, Corrosion, Physical Properties of Metals and Non-metals, Uses of Metals and Non-metals, etc.

Metals and Non-metals

This chapter covers topics such as Types of Chemical Reaction, Chemical Reaction, etc.

Chemical Reactions - When and What Types

This chapter covers topics such as Uses of Nitrogen, Oxygen, Atmosphere, Air Pollution, Greenhouse Effect, Atmospheric Pressure, Acid Rain, etc.

This chapter covers topics such as Plastics, Types of Synthetic Fibres, Plastics and the Environment, Synthetic Fibres, Characteristics of Plastics, Characteristics of Synthetic Fibres, etc.

Synthetic Fibres and Plastics

This chapter covers topics such as Asteroids, Comets, Meteors and Meteorites, Stars and the Star World, Planets of the Sun, etc.

Sky Vision

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