Natural Resources – Air, Water and Land
Natural Resources, Atmosphere and Its Layers, Air Around Us, Composition and Components of Air, Importance of Air, Environmental Issues, Air Pollution and Its Causes, Water: Our Lifeline, Availability of Water, Composition of Water, Importance of Water, Scarcity of Water, Land, Soil Formation, The Importance of Conserving Earth’s Natural Resources
The Living World
Characteristics of Organisms, Growth, Respiration, Excretion, Responsiveness to stimuli and movement, Reproduction, A definite lifespan, A cellular structure. Useful living things, Harmful Living Things, Wild Animals
Diversity in Living Things and Their Classification
Diversity in Plants, Modes of Nutrition in Plants, The Structure of a Plant, Need for Classification of Plants, Classification of Plants, Diversity in Animals, Classification of Animal
Disaster Management
Disaster, Earthquake, Flood, Storm, Forest fire, Disaster Management, Remedial and preventive measures, First Aid and Emergency Action
Substances in the Surroundings –Their States and Properties
Matter (Substance), States of Matter, Heat and change of physical state, Concept of Boiling (Vaporization), Concept of Freezing (Solidification), Concept of Sublimation, The Temperature and a Thermometer, Various uses of changes in physical state, Properties of substances, Physical Properties of Metals
Nutrition and Diet
Nutrients and Nutrition, Component of Food, Carbohydrates, Fats (Lipids), Proteins, Vitamin and Minerals, Fibre, Water, Diseases Due to Deficiency of Carbohydrates, Diseases Due to Deficiency of Fats, Diseases Due to Deficiency of Proteins, Diseases Due to Deficiency of Vitamin, Diseases Due to Deficiency of Minerals, Diseases Due to Deficiency of Fibre, Diseases Due to Deficiency of Water, A Balanced Diet, Nourishment and Malnutrition, Food Adulteration
Our Skeletal System and the Skin
Introduction of Our Skeletal System and the Skin, Bone and Its Types, The Human Skeletal System, The Human Skeleton: Axial Skeleton, The Human Skeleton: Appendicular Skeleton, Joints and Its Classification, The Skin, Structure of the Skin
Motion and Types of Motion
Motion and Rest, Types of Motion, Speed
Force and Types of Force
Force, Types of force, Contact Force, Non-Contact Force, Muscular force, Mechanical force, Gravitational force, Magnetic force, Frictional force. Electrostatic force, Combined Forces
Work and Energy
Introduction of Work, Energy, the relationship between work and energy, Forms of Energy, Power Plants Based on Thermal Energy, Light Energy, Sound energy, Chemical Energy, Mechanical Energy, Transformation of Energy, Energy Resources
Simple Machines
Machines, Simple Machines, Complex Machines
Sound
Sound, Production of Sound, Sound Produced by Humans, Human Ear, Propagation of Sound,
Sound Need a Medium to Travel, Environmental Issues, Noise Pollution
Light and the Formation of Shadows
Light, Luminous and Non-luminous Bodies, Sources of Light, the propagation of light, Reflection of Light, Mirrors, Plane Mirror, A Pinhole Camera, Important Terms Related to Light, Formation of Shadow, Dispersion of Light Through Prism and Formation of Spectrum
Fun with Magnets
Magnet, Magnetic and Non-magnetic Materials, Discovery of Magnets, Magnetic Properties of Materials, Laws of Magnetism, Characteristics of a magnet, Electromagnet
The Universe
The Universe, Galaxy and Its Types, Stars and Their Types, The Solar System, Other Heavenly Bodies of the Solar System