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Science : Chapterwise Explanation & Assignments

In this course you will find easiest explanation of every chapter with assignments and test. You will even get weekly test to revise and enhance your performance in class.

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Requirements

  • * Notebook * Pen * Your dedication

Description

Chapter 1: Crop Production and Management

  • 1.1: Agricultural Practices
  • 1.2: Basic Practices of Crop Production
  • 1.3: Preparation of Soil
  • 1.4: Sowing
  • 1.5 Adding Manure and Fertilizers
  • 1.6: Irrigation
  • 1.7: Protection from Weeds
  • 1.8: Harvesting
  • 1.9: Storage
  • 1.10: Food from Animals

Chapter 2: Microorganisms: Friend and Foe

  • 2.1: Microorganisms
  • 2.2: Where do Microorganisms Live?
  • 2.3: Microorganisms and Us
  • 2.4: Harmful Microorganisms
  • 2.5: Food Preservation
  • 2.6: Nitrogen Fixation
  • 2.7: Nitrogen cycle

Chapter 3: Synthetic Fibres And Plastics

  • 3.1: What are Synthetic Fibres?
  • 3.2: Types of Synthetic Fibres
  • 3.3: Characteristics of Synthetic Fibres
  • 3.4: Plastics
  • 3.5: Plastics as Materials of Choice
  • 3.6: Plastics and the Environment

Chapter 4: Materials: Metals and Non-Metals

  • 4.1: Physical Properties of Metals and Non-metals
  • 4.2: Chemical Properties of Metals and Non-metals
  • 4.3: Uses of Metals and Non-metals

Chapter 5: Coal And Petroleum

  • 5.1: Coal
  • 5.2: Petroleum
  • 5.3: Natural Gas
  • 5.4: Some Natural Resources are Limited

Chapter 6: Combustion And Flame

  • 6.1: What is Combustion?
  • 6.2: How Do We Control Fire?
  • 6.3Types of Combustion
  • 6.4: Flame
  • 6.5: Structure of a Flame
  • 6.6: What is a Fuel?
  • 6.7: Fuel Efficiency

Chapter 7: Conservation of Plants and Animals

  • 7.1: Deforestation and Its Causes
  • 7.2: Consequences of Deforestation
  • 7.3: Conservation of Forest and Wildlife
  • 7.4: Biosphere Reserve
  • 7.5: Flora and Fauna
  • 7.6: Endemic Species
  • 7.7: Wildlife Sanctuary
  • 7.8: National Park
  • 7.9: Red Data Book
  • 7.10: Migration
  • 7.11: Recycling of Paper
  • 7.12: Reforestation

Chapter 8: Cell — Structure and Functions

  • 8.1: Discovery of the Cell
  • 8.2: The Cell
  • 8.3: Organisms show Variety in Cell Number, Shape and Size
  • 8.4: Cell Structure and Function
  • 8.5: Parts of the Cell
  • 8.6: Comparison of Plants and Animals Cells

Chapter 9: Reproduction In Animals

  • 9.1: Modes of Reproduction
  • 9.2: Sexual Reproduction
  • 9.3: Asexual Reproduction

Chapter 10: Reaching The Age Of Adolescence

  • 10.1: Adolescence and Puberty
  • 10.2: Changes at Puberty
  • 10.3: Secondary Sexual Characters
  • 10.4: Role of Hormones in Initiating Reproductive Function
  • 10.5: Reproductive Phase of Life in Humans
  • 10.6: How is the Sex of the Baby Determined?
  • 10.7: Hormones other than Sex Hormones
  • 10.8: Role of Hormones in Completing the Life History of Insects and Frogs
  • 10.9: Reproductive Health

Chapter 11: Force And Pressure

  • 11.1: Force: A push or a Pull
  • 11.2: Forces are due to an Interaction
  • 11.3: Exploring Forces
  • 11.4: A Force can Change the State of Motion
  • 11.5: Force can Change the Shape of an object
  • 11.6: Contact Forces
  • 11.7: Non-contact Forces
  • 11.8: Pressure
  • 11.9: Pressure Exerted by Liquids and Gases
  • 11.10: Atmospheric Pressure

Chapter 12: Friction

  • 12.1: Force of  Friction
  • 12.2: Factors affecting Friction
  • 12.3: Friction: A Necessary Evil
  • 12.4: Increasing and Reducing Friction
  • 12.5: Wheels Reduce Friction
  • 12.6: Fluid Friction

Chapter 13: Sound

  • 13.1: Sound is Produced by Vibrating Bodies
  • 13.2: Sound Produced by Humans
  • 13.3: Sounds Needs a Medium for Propagation
  • 13.4: We Hear Sound through Our Ears
  • 13.5: Aptitude, Time Period and Frequency of a vibration
  • 13.6: Audible and Inaudible Sounds
  • 13.7: Noise and Music
  • 13.8: Noise Pollution

Chapter 14: Chemical Effects Of Electric Current

  • 14.1: Do Liquids Conduct Electricity?
  • 14.2: Chemical Effects Of Electric Current
  • 14.3: Electroplating

Chapter 15: Some Natural Phenomena

  • 15.1: Lightning
  • 15.2: Charging by Rubbing
  • 15.3: Types of Charges and Their Interaction
  • 15.4: Transfer of Charge
  • 15.5: The Story of Lightning
  • 15.6: Lightning Safety
  • 15.7: Earthquakes

Chapter 16: Light

  • 16.1: What makes Things Visible
  • 16.2: Laws of Reflection
  • 16.3: Regular and Diffused Reflection
  • 16.4: Reflected Light Can be Reflected Again
  • 16.5: Multiple Images
  • 16.6: Sunlight – White or Coloured
  • 16.7: What is inside Our Eyes?
  • 16.8: Care of the Eyes
  • 16.9: Visually Impaired Persons Can Read and Write
  • 16.10: What is Braille System?

Chapter 17: Stars And The Solar System

  • 17.1: The Moon
  • 17.2: The Stars
  • 17.3: Constellations
  • 17.4: The Solar System
  • 17.5: Some Other Members of the Solar System

Chapter 18: Pollution of Air and Water

  • 18.1: Air Pollution
  • 18.2: How does Air Get Polluted?
  • 18.3: Case Study- The Taj Mahal
  • 18.4: Greenhouse Effect
  • 18.5: What can be done?
  • 18.6: Water Pollution
  • 18.7: How does Water Get Polluted?
  • 18.8: What is Potable Water and How is Water Purified?
  • 18.9: What Can be Done?

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