Definition and types of forces (friction, gravity, magnetism)
Effects of force (motion, change in shape)
Balanced and unbalanced forces
Definition and types of energy (kinetic, potential, heat, light, sound)
Forms of energy transformation
Matter
States of matter (solid, liquid, gas)
Properties of matter (mass, volume, density)
Introduction to changes in matter (physical and chemical changes)
Basics of separation techniques (filtration, evaporation, distillation)
Simple Machines
Understanding of simple machines, their applications, and the scientific principles behind their operation
Lever (first, second, and third class levers), wheel and axle, inclined plane (ramp), wedge, screw, pulley (fixed, movable, and block and tackle)
Everyday tools and machines utilizing simple machines
Light and Shadows
Properties of light
Objects as transparent, translucent, and opaque; features of each type of object
Formation of shadows in day, night, and dim light
Conditions for formation of shadows, solar eclipse, and shadows
Sound and Noise
Properties of sound
Sounds made by common objects (clock, whistle, tea kettle, cookies pan, call bell, flute, etc.)
Sound made by living beings: plants, animals, human beings
Pleasant and unpleasant sounds, warning sounds (fire alarm, ambulance siren)
Harmful effects of loud noise (vehicle, loudspeaker, firecracker)
Ways to reduce noise pollution
2. Content Domain: Life Science
Animal Diversity
Animal classification by traits: body covering, feeding habits, breathing organs, movement
Habitats and adaptations of animals
Life cycles of different animals
Plant Growth and Reproduction
Plant growth and life cycle
Plant reproduction, pollination, seed dispersal
Human Body: Circulatory and Skeletal System
Parts of the circulatory system, heart structure and function, process of circulation, arteries, veins, capillaries, function of blood
Skeletal system: bones, importance of bones, muscles, and joints for body functions, major bones of the body (arms, legs, chest bone, skull, jawbone, backbone)
Structure and care of bones and joints, food items to strengthen bones, skull, ribcage, backbone, limbs, movable and immovable joints, muscles, and movement
Food and Health
Components of a balanced diet, importance of eating a balanced diet
Junk food: meaning and examples, adverse effects of eating junk food
Ways to make diet healthier (e.g., sprouting, fermentation)
Diseases related to food habits, lifestyle (obesity, anemia, diabetes, blood pressure); symptoms and prevention in non-technical terms
Deficiency diseases: common deficiency diseases (kwashiorkor, marasmus, night blindness, anemia, rickets, scurvy, beriberi, goiter); prevention
Meaning of food adulteration; examples of common adulterants (awareness level only)
3. Content Domain: Environmental Science
Rocks as Natural Resources
Understanding of different rock types, formation processes, and their various uses in daily life
Rock cycle and its role in shaping the earth
Classification of rocks based on their use as sources of metals, non-metals, and fossil fuels
Ecosystems and Interdependence
Understanding ecosystems and their components
Interdependence of organisms in ecosystems
Human impact on ecosystems and conservation
Natural Calamities
Foundational understanding of natural calamities, their causes, and their impact on earth's systems and human life