Air is all around us but does not hinder us from seeing each other. Whereas, if a wooden door comes in between, we cannot see each other. It is because air is “transparent” and the wooden door is “opaque”.
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The chapter “Materials Around Us” will help me become a scientist by enhancing my understanding of various materials, their properties and applications, fostering analytical skills essential for experimentation and encouraging innovation in scientific research.
Water is essential for our body’s functioning because it acts as a solvent, dissolving various substances like salts, sugars and nutrients. This property facilitates chemical reactions and nutrient transport, vital for maintaining health.
Mass is the amount of matter in an object, measured in kilograms or grams. Volume is the space occupied by that matter, measured in liters or cubic meters. Both properties are fundamental to understanding materials.