CBSE Class 8 Science Syllabus

CBSE Class 8 Science Syllabus

The Syllabus in the subject of Science has undergone changes from time to time in accordance with the growth of the subject and emerging needs of society. The present revised syllabus has been designed in accordance with the National Curriculum Framework and as per guidelines given in the Focus Group on Teaching of Science which is to meet the emerging needs of all categories of students. For motivating the teacher to relate the topics to real-life problems and other subject areas, greater emphasis has been laid on applications of various concepts.

1. Crop Production And Management

  • Agricultural Practices
  • Basic Practices of Crop Production
  • Preparation of Soil
  • Sowing
  • Adding Manure and Fertilizers
  • Irrigation
  • Protection from Weeds
  • Harvesting
  • Storage
  • Food from Animals

2. Micro-organisms: Friends And Foe

  • Microorganisms
  • Where do Microorganisms Live?
  • Microorganisms and Us
  • Harmful Microorganisms
  • Food Preservation
  • Nitrogen Fixation
  • Nitrogen cycle

3. Synthetic Fibres And Plastics

  • What are Synthetic Fibres?
  • Types of Synthetic Fibres Rayon
  • Characteristics of Synthetic Fibres
  • Plastics
  • Plastics as Materials of Choice
  • Plastics and the Environment

4. Materials: Metals And Non-Metals

  • Physical Properties of Metals and Non-metals
  • Chemical Properties of Metals and Non-metals
  • Uses of Metals and Non-metals

5. Coal And Petroleum

  • Coal
  • Petroleum
  • Natural Gas
  • Some Natural Resources are Limited

6. Combustion And Flame

  • What is Combustion?
  • How Do We Control Fire?
  • Types of Combustion
  • Flame
  • Structure of a Flame
  • What is a Fuel?
  • Fuel Efficiency

6. Conservation Of Plants And Animals

  • Deforestation and Its Causes
  • Consequences of Deforestation
  • Conservation of Forest and Wildlife
  • Biosphere Reserve
  • Flora and Fauna
  • Endemic Species
  • Wildlife Sanctuary
  • National Park
  • Red Data Book
  • Migration
  • Recycling of Paper
  • Reforestation

7. Cell — Structure And Functions

  • Discovery of the Cell
  • The Cell
  • Organisms show Variety in Cell Number, Shape and Size
  • Cell Structure and Function
  • Parts of the Cell Membrane
  • Comparison of Plant and Animal Cells

8. Reproduction In Animals

  • Modes of Reproduction
  • Sexual Reproduction
  • Asexual Reproduction

9. Reaching The Age Of Adolescence

  • Adolescence and Puberty
  • Changes at Puberty Increase in Height
  • Secondary Sexual Characters
  • Role of Hormones in Initiating Reproductive Function
  • Reproductive Phase of Life in Humans
  • How is the Sex of the Baby Determined?
  • Hormones other than Sex Hormones
  • Role of Hormones in Completing the Life History of Insects and Frogs
  • Reproductive Health

10. 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 Muscular Force
  • Non-contact Forces
  • Pressure
  • Pressure Exerted by Liquids and Gases
  • Atmospheric Pressure

11. Friction

  • Force of Friction
  • Factors affecting Friction
  • Friction: A Necessary Evil
  • Increasing and Reducing Friction
  • Wheels Reduce Friction
  • Fluid Friction

12. Sound

  • Sound is Produced by a Vibrating Body
  • Sound Produced by Humans
  • Sound Needs a Medium for Propagation
  • We Hear Sound through Our Ears
  • Amplitude, Time Period and Frequency of a Vibration
  • Audible and Inaudible Sounds
  • Noise and Music
  • Noise Pollution

13. Chemical Effects Of Electric Current

  • Do Liquids Conduct Electricity?
  • Chemical Effects of Electric Current
  • Electroplating

14. Some Natural Phenomena

  • Lightning
  • Charging by Rubbing
  • Types of Charges and Their Interaction
  • Transfer of Charge
  • The Story of Lightning
  • Lightning Safety
  • Earthquakes

15. Light

  • What makes Things Visible
  • Laws of Reflection
  • Regular and Diffused Reflection
  • Reflected Light Can be Reflected Again
  • Multiple Images
  • Sunlight — White or Coloured
  • What is inside Our Eyes?
  • Care of the Eyes
  • Visually Impaired Persons Can Read and Write
  • What is the Braille System?

16. Stars And The Solar System

  • The Moon
  • The Stars
  • Constellations
  • The Solar System
  • Some Other Members of the Solar System

17. Pollution Of Air And Water

  • Air Pollution
  • How does Air Get Polluted?
  • Case Study— The Taj Mahal
  • Greenhouse Effect
  • What can be done?
  • Water Pollution
  • How does Water Get Polluted?
  • What is Potable Water and How is Water Purified?
  • What Can be Done?

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