CBSE : Class VIII - Science

Crop Production And Management
  • Agricultural Practices
  • Basic Practices Of Crop Production
  • Preparation Of Soil
  • Sowing
  • Adding Manure And Fertilisers
  • Irrigation
Coal And Petroleum
  • Introduction
  • Coal
  • Petroleum
  • Natural Gas
  • Some Natural Resources Are Limited
Conservation Of Plants And Animals
  • Deforestation And Its Causes
  • Consequences Of Deforestation
  • Conservation Of Forest And Wildlife
  • Biosphere Reserve
  • Flora And Fauna
  • Endemic Species
Microorganisms
  • Microorganisms
  • Where Do Microorganisms Live?
  • Microorganisms And Us
  • Harmful Microorganisms
  • Food Preservation
  • Nitrogen Fixation
Synthetic Fibres And Plastics
  • Introduction
  • Synthetic Fibres
  • Types Of Synthetic Fibres
  • Characteristics Of Synthetic Fibres
  • Plastics
  • Plastics As Materials Of Choice
Combustion And Flame
  • Introduction
  • What Is Combustion ?
  • Controlling the Fire
  • Types Of Combustion
  • Flame
  • Structure of flame
Reproduction In Animals
  • Introduction
  • Modes Of Reproduction
  • Sexual Reproduction
  • Asexual Reproduction
Reaching The Age Of Adolescence
  • Introduction
  • Adolescence And Puberty
  • Changes At Puberty
  • Secondary Sexual Characters
  • Role Of Hormones In Initiating Reproductive Function
  • Reproductive Phase Of Life In Humans
Force And Pressure
  • FORCE - A PUSH OR A PULL
  • Forces Are Due To An Interaction
  • Exploring Forces
  • A Force Can Change The State Of Motion
  • Force Can Change The Shape Of An Object
  • Contact Forces
Friction
  • Force Of Friction
  • Factors Affecting Friction
  • Friction : A Necessary Evil
  • Increasing And Reducing Friction
  • Wheels Reduce Friction
  • Fluid Friction
Sound
  • Introduction
  • Sound Produced By A Vibrating Body
  • Sound Produced By Humans
  • Sound Needs A Medium To Propagate
  • We Hear Sound Through Our Ears
  • Amplitude, Time Period And Frequency Of Vibration
Chemical Effects Of Electric Current
  • Introduction
  • Do Liquids Conduct Electricity?
  • Chemical Effects Of Electric Current
  • Electroplating
Some Natural Phenomena
  • Introduction
  • Lightning
  • Charging By Rubbing
  • Types Of Charges And Their Interaction
  • Transfer Of Charge
  • The Story Of Lightning
Light
  • Introduction
  • What Makes Things Visible
  • Laws Of Reflection
  • Regular And Diffused Reflection
  • Reflected Light Can Be Reflected Again
  • Multiple Images
Stars And The Solar System
  • Introduction
  • The Moon
  • The Stars
  • Constellations
  • The Solar System
  • Some Other Members Of The Solar System
Pollution Of Air And Water
  • Introduction
  • Air Pollution
  • Causes Of Air Pollution
  • The Taj Mahal
  • Greenhouse Effect
  • Water Pollution
Materials : Metals And Non-Metals
  • Introduction
  • Physical Properties Of Metals And Non-Metals
  • Chemical Properties Of Metals And Non-Metals
Cell - Structure And Functions
  • Discovery Of The Cell
  • The Cell
  • Organisms Show Variety In Cell Number, Shape And Size
  • Cell Structure And Function
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