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English

Hindi

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Crop Production & Management

Reaching the Age of Adolescence

Cell Structure & Functions

Microorganisms

Reproduction in Animals

Chemistry

Combustion and Flame

Plastics

Synthetic Fibres

Metals and Non-Metals

Coal and Petroleum

Environmental Science

Conservation of Plants & Animals

Pollution of Air and Water

Physics

Natural Phenomena

Light

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Sound

Stars and the Solar System

Force and Pressure

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Force and Pressure

Contact Forces

Force

Non-Contact Forces

Pressure

Friction

Types of Friction

Friction

Chemical Effects of Electric Current

Definition

Reproduction in Animals

Types of Fertilization

Fertilization

Sexual Reproduction

Reproduction

Asexual Reproduction

Female Reproductive Organs

Development of Embryo

Male Reproductive Organs

Modes

Reaching the Age of Adolescence

Sex Determination

Reproductive Health

Reproductive Phase of Life in Humans

Adolescence and Puberty

Changes at Puberty

Hormones

Cell Structure & Function

Classification

Cell

Parts of the Cell

Conservation of Plants And Animals

Deforestation

Conservation

Flora and Fauna

Reforestation

Combustion & Flames

Flame

Combustion

Harmful Effects

Fuel

Types of Combustion

Coal & Petroleum

Natural Resources

Coal

Natural Gas

Petroleum

Materials-Metals & Non-Metals

Non-Metals

Uses

Metals

Synthetic Fibres & plastics

Types of Fibres

Plastics

Microorganisms

Types of Microorganisms

Food Preservation

Importance of Microorganisms

Nitrogen Fixation

Microbes

Harmful Microorganisms

Some Natural Phenomena

Lightning

Earthquakes

Crop Production and Management

Basic Practices of Crop Production

Agricultural Pratices

Stars and the Solar System

The Moon

The Solar System

The Stars

Constellations

Light

Definition

Braille System

Laws of Reflection

Eye

Regular and Diffused Reflection

Pollution of Air and Water

Water Pollution

Air Pollution

Sound

Audible and InAudible Sounds

Sound Produced by Humans

Noise and Music

Terminologies

Definition

Medium for Sound

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