NIOS Class 10 Science & Tech — Chapter Summary

Measurement is the comparison of a physical quantity with a chosen standard. It is essential in daily life, trade, science, sports, travel, and technology because it gives accuracy and a common understanding of quantities. A measurement has two parts: numerical quantity and unit. For a result to be

Matter is anything that has mass and occupies space. The chapter explains how matter exists around us, how it behaves in different states, how it changes with temperature and pressure, and how it is classified as elements, compounds, and mixtures. It also covers solutions, suspensions, and common me

Matter is made of tiny particles called atoms and molecules. The chapter explains how scientists understood the divisibility of matter, how laws of chemical combination were established, how atomic theory developed, and how atomic mass, molecular mass, mole, molar mass, valency, and chemical formula