Science

Biology covers chapters such as Microorganism Friend and Foe, Reproduction in Animals, The Cell, Conservation of Plants and Animals, Reaching the age of Adolescence, Pollution of Air and Water and, Food Production and Management

Biology

Chemistry covers chapters such as Coal and Petroleum, Combustion and Flame and, Materials: 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

SCIENCE TEXTBOOK FOR CLASS 8

Lakhmir Singh's SCIENCE FOR CLASS 8

NCERT Exemplar Science - Class 8

SCIENCE TEXTBOOK FOR CLASS VIII

Uncovering the Wonders and Risks of Cloning

Rolling Friction

Care of Eyes

Braille System

Production of Sound in Humans

Knowing All About Puberty

Hormones and the Life Cycles of Insects and Frogs

Role of Hormones in Reproductive Functions

Secondary Sex Characteristics

Food Preservation

Food Preservation (Pasteurisation)

The Structure of a Flame

Ploughing and Agricultural Implements

Reproduction and Its Two Modes

Construction and Working of Fire Extinguishers

Study of Infrasound and Ultrasound in Waves

Asteroids, Comets, Meteors and Meteorites

The Outer Planets

The Inner Planets

Different Constellations

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

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

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

White Light: Mixture of Seven Colours

Amoeba- Its Movement and Digestion

Dust and Smoke Particles in Air

Sources of Light And Its Rectilinear Propagation

Nutrients in Common Food Items

Air Pollution and Its Sources

Static Friction and Its Laws

Calorific Value and Fuel Efficiency

Inexhaustible Sources of Energy

Flames and Its Types

Importance of Animal Husbandry

Factors Responsible for Soil Erosion

Causes and Environmental Effects of Water Pollution

Reducing Global Warming

Structure of Human Ear

Propagation of Sound Waves Through Different Media

Amplitude, Time Period & Frequency of a Vibration

Process Involved in Wastewater Treatment

Water Pollution and Its Causes

Natural Ways to Reduce Air Pollution

Harmful Effects of Acid Rain

Environmental Pollution

Know More About Stars

Plane Mirrors Parallel to Each Other

Reflection of Light

Effects of Rotation of a Plane Mirror

Laws of Reflection of Light

What Causes Earthquakes?

Lightning Conductor

Lightning Due to Electric Discharge

Electroplating

Water: Conductor or Non-conductor

Comparing Conductors and Electrolytes

Noise Pollution

Sound

Fluid Friction

Laws of Liquid Pressure

Pressure Exerted by Liquids

This chapter covers topics, such as, Exploring Forces, Pressure exerted by Liquids and Gases, A Force can Change the State of Motion, Force can Change the Shape of an Object, Pressure, Contact Forces, Force-A Push or a Pull & Non-Contact Forces etc.

Force and Pressure

This chapter covers topics, such as, Fuel Efficiency, Flame, Controlling the Fire, Structure of a Flame, Harmful Effects Due to Burning of Fuels, Types of Combustion, Fuel & Combustion etc.

Combustion and Flame

This chapter covers topics, such as, Reproductive Health, Changes at Puberty, Sex Determination & Role of Hormones in Reproductive Functions etc.

Reaching the age of Adolescence

This chapter covers topics, such as, Earthquake, Sparks and Electric Charges, Lightning & Charging by Rubbing etc.

Some Natural Phenomenon

This chapter covers topics, such as, Basic Practices of Crop Production, Improvement of Crops, Animal Husbandry, Storage of Food grains, Introduction to Agriculture & Different Types of Crops etc.

Food Production and Management

This chapter covers topics, such as, The Stars and Constellations & The Solar System etc.

Stars and the Solar System

This chapter covers topics, such as, Laws of Limiting Friction, Friction due to Liquids and Gases, Benefits of the Force of Friction, Cause of Friction, Force of Friction & Rolling Friction etc.

Friction

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

Materials: Metals and Non-Metals

This chapter covers topics, such as, Parts of the Cell, Diversity in Cells & Introduction to Cell and its Discovery etc.

The Cell

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

Chemical Effects of Electric Current

This chapter covers topics, such as, Inside our Eyes, Light Makes Things Visible, Care of Eyes & Sunlight-White or Coloured etc.

Light

This chapter covers topics, such as, Asexual Reproduction, Modes of Reproduction & Sexual Reproduction etc.

Reproduction in Animals

This chapter covers topics, such as, Harmful Microorganisms, Nitrogen Fixation and Nitrogen Cycle, Friendly Microorganisms, Food Preservation & Introduction to Microorganisms etc.

Microorganism Friend and Foe

This chapter covers topics, such as, Conservation of Forest and Wildlife and Protected Areas, Deforestation and Its Causes & Consequences of Deforestation etc.

Conservation of Plants and Animals

This chapter covers topics, such as, Sound Produced by Humans, Audible and Inaudible Sounds, Noise Pollution & Noise and Music etc.

This chapter covers topics, such as, Natural Resources, Petroleum, Coal, Natural Gas & Conservation of Natural Resources etc.

Coal and Petroleum

This chapter covers topics, such as, Greenhouse Effect and Global Warming, Air Pollution, Water Pollution & Introduction to Pollution etc.

Pollution of Air and Water

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