Topics
Crop Production and Management
- Crop and Its Types
- Basic Practices of Crop Production
- Soil Formation and Preparation for Agriculture
- Agricultural Implements
- Sowing and Selection of Seed
- Manuring (Biomanuring)
- Fertilizers
- Methods to Replenish Nutrients in Your Soil
- Irrigation
- Method of Irrigation
- Weeding
- Harvesting of Crops
- Storage of Food Grains
- Animal Products used as Food
Microorganisms: Friend and Foe
Synthetic Fibres and Plastics
Materials: Metals and Non-metals
Coal and Petroleum
Combustion and Flame
Conservation of Plants and Animals
Cell - Structure and Functions
- Cell: the Fundamental Unit of Life
- The Invention of the Microscope and the Discovery of Cell
- Organisms Show Variety in Cell Number, Shape and Size
- Structure of a Cell
- Plasma Membrane
- Semi-permeable Membrane (Cell Membrane)
- Cell Wall - “Supporter and Protector”
- Nucleus - “Brain” of the Cell
- Cytoplasm - “Area of Movement”
- Plastids
- Non-living Substances Or Cell Inclusion
- Prokaryotic and Eukaryotic Cell
- Plant Cell and Animal Cell
Reproduction in Animal
- Reproduction in Plant
- Reproduction in Animal and Human
- Mode of Reproduction in Animal
- Asexual Reproduction in Animal
- Sexual Reproduction in Animals
- The Male Reproductive System
- The Female Reproductive System
- Gametogenesis
- Fertilization in Human
- Embryonic Development in Human
- Embryo Formation in Viviparous and Oviparous Animals - Young Ones to Adults
- Asexual Reproduction in Plant
Reaching the Age of Adolescence
- Adolescence and Puberty
- Changes at Puberty
- Secondary Sex Characteristics
- Role of Hormones in Initiating Reproductive Function
- Reproductive Phase of Life in Humans
- Sex Determination
- Hormones Other than Sex Hormones
- Role of Hormones in Completing the Life History of Insects and Frogs
- Reproductive Health
- Nutritional Needs of Adolescents
- Personal Hygiene for Adolescence
Force and Pressure
- Force
- Force - Push or 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
- Effect of Force
- Types of Force: Contact Force
- Types of Force: Non-Contact Force
- Thrust and Pressure
- Liquid Pressure
- Factors Affecting Liquid Pressure
- Atmospheric Pressure
Friction
Sound
- Sound
- Production of Sound
- Musical Instruments
- Sound Produced by Humans
- Propagation of Sound
- Sound Need a Medium to Travel
- Human Ear
- Characteristics of a Sound Wave
- Oscillator, Oscillation and Oscillatory Motion
- Properties of Sounds
- Loudness and Intensity
- Pitch (or shrillness) and frequency
- Audibility and Range
- Noise and Music
- Noise Pollution
Chemical Effects of Electric Current
Some Natural Phenomena
Light
Star and Solar System
Pollution of Air and Water
- Pollution and Its Types
- Air Pollution and Its Causes
- Case Study: The Taj Mahal
- Green House Effect
- Preventive Measures of Green House Effect
- Global Warming
- Preventive Measures of Global Warming
- Prevention of Air Pollution
- Water Pollution and Its Causes
- Case Study: Ganga Pollution and Ganga Action Plan
- Potable Water
- Purification of Water
- Prevention of Water Pollution
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