Class 8 NCERT • Curiosity Science Portal (New Syllabus)
Ch 07: Particulate Nature of Matter
Select a topic or study module below to explore what matter is made of, states of matter, interparticle spacing, solid-liquid-gas properties, diffusion, and textbook solutions.
Topic 01 • Composition of Matter
Microscopic Makeup of Matter, Speck Divisions & Proof of Tiny Particles
Topic 02 • States of Matter Factors
Interparticle Attractions, Binding Forces & Thermal Energy Influences
Topic 03 • The Solid State
Properties of Solids, Tight Packing, Fixed Shapes, Rigidity & Melting Points
Topic 04 • The Liquid State
Fluidity, Particle Movement, Intermolecular Spacing & Temporary Displacements
Topic 05 • The Gaseous State
High Kinetic Energy, Widely Spaced Particles, Rapid Random Motion & Compression
Topic 06 • Spacing & Volume
Why Sugar Dissolves Without Extra Volume vs. Sand Increasing Container Volume
Topic 07 • Diffusion
Spontaneous Intermingling of Particles, Fragrance Spreading & Brownian Motion
Module 08 • Exercises & Quiz