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Science VIII

Biology

Crop Production and Management

5 Topics

Introduction to Crop Production and Management

Agricultural Implements

Agricultural Practices

Sowing and Increasing Fertility of Soil

Microorganisms: Friend and Foe

5 Topics

Microorganisms- Friend and Foe

Microbes in the Food Industry Medicine

Harmful Microorganisms

Conservation of Plants and Animals

9 Topics

Causes & Examples of Extinct Animals

Causes & Factors that Contribute to Deforestation

Effects of Deforestation on Biodiversity

Deforestation and Human Health

Types & Importance of Biodiversity

National Parks And Sanctuaries in India

Conservation of Forest and Wildlife

Recycling of Paper

Causes of Global Warming

Cell – Structure and Functions

10 Topics

Introduction to Cell

The Cell Theory

Variety in Cell Number, Shape

Comparison of Plant and Animal Cells

Reproduction in Animals

7 Topics

Introduction to Reproduction in Animals

Asexual Reproduction and its Types

Sexual Reproduction, Fertilization and its Types

Introduction about Male Reproductive System

Introduction about Female Reproductive System

Fertilization and Fate of Ovum

Sequence of Post Fertilization Events

Reaching the Age of Adolescence

8 Topics

Adolescence and Puberty

Changes at Puberty

Role of Hormones in Initiating Reproductive Function

Secondary Sexual Characters

Reproductive Phase of Life in Humans

How is the Sex of Baby Determined

Hormones others than Sex Hormones

Reproductive Health

Chemistry

Synthetic Fibres and Plastics

7 Topics

Types of Fibers

Different Types of Fibers

Process of Fibre Crops

Synthetic Fibres

Characteristics & Classification of Synthetic Fibers

Rayon Fabric and Nylon

Synthetic Polymers

Materials: Metals and Non-Metals

7 Topics

Introduction to Metals and Non-metals

Physical Properties of Metals

Exceptional Properties Possessed by Metals

Physical Properties of Non-Metals

Chemical Properties of Metals and Non-Metals

Reaction of Metals and Non-Metals

Corrosion of Metals

Coal and Petroleum

9 Topics

Natural Resources

Types of Energy

Kinetic Energy, Radiant, Thermal Energy, Sound, Electrical and Mechanical

Types of Potential Energy

Types, Formation and Uses of Fossil Fuels

Energy Conversion

Law of Conservation of Energy

Combustion and Flame

1 Topic

Conditions Necessary for Combustion

Physics

Force and Pressure

12 Topics

Force – A Push or a Pull

Forces are due to an Interaction

Exploring Forces

Effects of Force

Electrostatic Force

Gravitational Force

Pressure Exerted by Liquids and Gases

Atmospheric Pressure

6 Topics

Force of Friction

Factors Affecting Friction

Increasing and Reducing Friction

Friction: A Necessary Evil

Wheels Reduce Friction

8 Topics

Sound is Produced by a Vibrating Body

Sound Produced by Humans

Sound Needs a Medium for Propagation

We hear Sound through our Ears

Characteristics of Sound

Audible and Inaudible Sounds

Noise and Music

Noise Pollution

Chemical Effects of Electric Current

4 Topics

Conductivity Test of Liquids using an LED Tester

Conductivity Test of Liquids using a Magnetic Tester

Chemical Effects of Electric Current

Some Natural Phenomena

10 Topics

Charging by Rubbing

Types of Charges and Their Interaction

Transfer of Charge

The Story of Lightning

Lightning Safety

Lightning Conductor

Structure of the Earth

Protection against Earthquakes

20 Topics

What Makes Things Visible

Laws of Reflection

Image Formation by a Plane Mirror

Regular and Diffused Reflection

Reflected Light can be Reflected Again

Number of Images Formed by Multiple Reflection

Sunlight — White or Coloured

What is inside our Eyes?

Function of Pupil

Persistence of Vision

Old Age Eye Defects

Care of the Eyes

Visually Challenged Persons Can Read And Write

The Braille System

Stars and The Solar System

24 Topics

Phases of the Moon

The Moon’s Surface

The Moving Stars

Constellations: Introduction

Finding Pole Star

The Orion and the Cassiopeia

The Solar System

1 of 2

The Moon’s Surface

Science VIII Stars and The Solar System The Moon’s Surface

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