science

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

Physics covers chapters such as Light, Sound, Electricity, Measurement, Heat, Magnetism, Forces and Pressure, Libre Office Calc and, Universe and Space Science

Physics

Chemistry covers chapters such as Water, Air, Atomic structure, Matter in Our Surrounding, Chemistry in everyday life, Acids and Bases and, Changes around us

Chemistry

Biology covers chapters such as Microorganisms, Plant Kingdom, Crop Production and Management, Conservation of Plants and Animals, Movement in Animals, Reaching the Age of Adolescence and, Organisation of Life

Biology

Living Science 8

Standard Eight Science

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

Rocket Propellants

Crop Harvesting

Production of Sound in Humans

Microbes as Biopesticides

Changes at Puberty

Secondary Sex Characteristics

Fertilisers

Fallowing and Plant Nurseries

Food Preservation

Food Preservation (Pasteurisation)

Soil Preparation

IUCN Red List

Uses of Water: Part-1

Uses of Water: Part-2

Valencies of Some Common Ions

Law of Multiple Proportions

Petrochemicals in Synthetic Fibres

Irrigation

Afforestation Programmes

Reactions of Metal Carbonates with Acids

Acid-base Indicators

Electrical Conductivity of Metals and Non-metals

Refining of Petroleum

Chemical Reactions: Their Significance and Representation

Locomotion in an Earthworm

Changing the State of a Water Sample

Malaria and Its Symptoms

How to Prevent Water Pollution

Permanent Magnets and Electromagnets

Gold Leaf Electroscope

Biomagnification and Bioaccumulation

Embryonic Development

Classification of Waves

Types of Errors

Introduction to Units

Relation Between Radian and Degree

Formation of Petroleum

Preparation and Properties of Methane

Hydrogenation of Vegetable Oils

Role of Insulin in Cell Metabolism

The Eye

Human Respiratory System

Pteridophytes

Plant Kingdom and Its Importance

Phycomycetes and Ascomycetes

Structure of Rhizopus

An Ideal Fuel

Basic Properties of Electric Charge

Primary Colours of Light

Colour of Objects

General Terms Related to Spherical Mirrors

Reaction of Acids with Metallic Oxides

Chemical Properties of Acids and Bases

Factors Affecting the Speed of Sound in Air

Yeast and Fungi

Protozoans

The Mole Concept

Molecules of Elements and Compounds

Law of Conservation of Mass

Atoms, Molecules and Ions

Effect of Temperature on Interconversion of States

Reducing Global Warming

Kaleidoscope

Earth's Crust

Examples of Electrostatic Charging by Rubbing

Musical Sound and Noise

Rolling and Sliding Friction

Uses of Friction

Methods of Reducing Friction

Effects of Friction

Forces and Motion

Puberty, Menstruation and Menopause

Types of Fuel and Their Uses

Reactions of Metals with Acids

Reaction of Metals with Water

Reaction of Metals with Oxygen

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

Importance of Forests

Forests and Their Resources

Nature of Image Formed by a Convex Mirror

Nature of Image Formed by a Concave Mirror

Working of an Electric Bell

Breathing Mechanism in Humans

Methods of Prevention from Corrosion

Natural Indicators

Acids, Bases and Their Neutralisation Reactions

Amoeba- Its Movement and Digestion

Formation and Discharge of Groundwater

Concept of Magnetism

Discovery of Magnets

Gait in Animals

Muscular System

Bones, Joints and Muscles

This chapter covers topics like Animal Welfare Organisations, Biomagnification, Conservation, Deforestation, Afforestation and Reforestation, Endangered Species, Introduction to Conservation of Plants and Animals, Red Data Book, etc.

Conservation of Plants and Animals

This chapter covers topics like Introduction to Crop Production and Management, Agriculture Research Institutions, Best Agricultural Practices of Crop Production, Bio-Indicators, Foliar Sprays and Biocontrol Methods, Rotation of Crops, etc.

Crop Production and Management

This chapter covers topics like Coal and its types, Fuel, Fuel Gases, Hydrocarbon, Natural Gas, Petroleum, Alternative Fuel and Solar Energy.

Chemistry in Everyday Life

This chapter covers topics like Acids, Bases, Indicators and Neutralisation Reaction.

Acids and Bases

This chapter covers topics like Introduction to water, Potable Water, Preparation of water, Properties of water, Purification of Water, Composition, Electrolysis of water, Hardness of water, Controlling Water Pollution, etc.

Water

This chapter covers topics like Indian Space Programmes, Launching of Satellites, NASA and Rockets.

Universe and Space Science

This chapter covers topics like Artificial Magnets, Earth's Magnetism, Magnet and Its Types, Magnetic Field and Magnetic Materials, Magnetic properties of Matter and Uses of Magnets.

Magnetism

This chapter covers topics like Sound and its Properties, Production and Propagation of sound, Sound Produced by Humans, Mechanical Waves and Characteristics of Wave Motion, Mechanism of Human Ear, Musical Instruments, Noise Pollution, etc.

Sound

This chapter covers topics like Introduction to Adolescence and Puberty, Nutritional Needs and Personal Hygiene of Adolescents, Reproductive Health, Role of Hormones in Reproduction and Secondary Sexual Characteristics, etc.

Reaching the Age of Adolescence

This chapter covers topics like Chemical Equation, Chemical formula or Molecular formula, Dalton's Atomic Theory, Fundamental Particles, Introduction to an atom, Ions, Laws of chemical combinations, Naming chemical compounds, etc.

Atomic Structure

This chapter covers topics like Introduction to air, Nitrogen, Oxygen, Carbon dioxide, Acid rain and Greenhouse Effect and Global Warming.

This chapter covers topics like Charge and Its Basic Properties, Effects of Current, Electroscope, Lightning and Thunder and Methods of Charging.

Electricity

This chapter covers topics like Calorimetry, Effects of Heats, Thermostat and Transfer of Heat.

Heat

This chapter covers topics like Introduction to Organization of Life, Cellular Respiration, Homeostasis, Metabolism, Organization of Cells and Tissues to Organ and Organ System, Osmoregulation and Osmosis and Diffusion.

Organisation of Life

This chapter covers topics like Introduction to the Plant Kingdom, Taxonomy and Classification, Algae, Bryophytes and Pteridophytes, Fungi, Gymnosperms and Angiosperms and Uses of Medicinal Plants.

Plant Kingdom

This chapter covers topics like Introduction to Microorganisms and Microbiology, Different Groups of Microorganisms, Harmful Microorganisms and the Diseases Caused by Them, Microbes in Food Process, Relationship Between Man and Microbes, etc.

Microorganisms

This chapter covers topics like chemical reaction based on catalyst, Chemical reaction based on electricity, Chemical reactions based on heat, Chemical reactions based on light, Chemical reactions based on physical contact, etc.

Changes Around Us

This chapter covers topics like Dispersion, Multiple Reflections, Refraction of light and Spherical Mirrors.

Light

This chapter covers topics like Force, Force and Pressure Exerted by Liquids, Friction, Pressure Exerted by Air-Atmospheric pressure, Surface Tension and Thrust and Pressure.

Forces and Pressure

This chapter covers topics like Accuracy in Measurements, Amount of Substance, Clocks and Its Working Mechanism, Electric Current, Luminous Intensity, Plane and Solid Angles, Rounding off Numbers, System of Units and Temperature.

Measurement

This chapter covers topics such as Introduction to Movement and Locomotion, Movement in Different Animals, Types of Movements and Joints etc.

Movements in Animals

This chapter covers topics such as Introduction to Matter, Symbols, Metals and Non-metals and Metalloids etc.

Matter Around Us

This chapter covers topics, such as Spreadsheet, Functions in Libre Office Calc, Worksheet and Workbook in Libre Office Calc, Sorting Data in Libre Office Calc, Charts in Libre Office Calc & Operators in Libre Office Calc etc.

Libre Office Calc

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