A cell is called the building block of life because all living organisms are made of cells. Cells form tissues organs and systems. Each cell performs basic functions essential for survival and life processes.
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Chapter 5 “Exploring Mixtures and their Separation” explains types of mixtures and methods of separation. It helps me understand filtration, evaporation and distillation and how different substances are separated in daily life.
Chapter 4 “Describing Motion Around Us” explains different types of motion, speed, velocity and distance-time relationships. It helps me understand how objects move, how motion is measured and how graphs describe motion clearly.
Chapter 1 “Exploration: Entering the World of Secondary Science” introduces scientific thinking, observation, experimentation and laboratory skills. It explains safety rules, measurement and how science connects with daily life and real-world problem-solving.
Chapter 2 “Cell: The Building Block of Life” explains structure and functions of cells. It covers cell organelles, plant and animal cells and importance of cells in living organisms, helping me understand basic units of life.