Matter in Our Surroundings

Topics in this chapter

1. 1What is Matter?Anything that has mass and takes up space is matter, even the air you cannot see. Watch
2. 2Particles of MatterMatter looks continuous, but it is made of extremely small particles. Two crystals of potassium permanganate can colour glass after glass of water. Watch
3. 3Particles Have Spaces Between Them50 mL of water plus 50 mL of alcohol gives only about 96 mL. The reason: particles of matter have spaces between them. Watch
4. 4Particles of Matter Are Continuously MovingAn agarbatti's smell reaches the next room without a fan. The particles of matter never stop moving, and they move faster when it is hotter. Watch
5. 5Particles attract one anotherComing soon
6. 6Solid, liquid and gasComing soon
7. 7Properties of solids, liquids and gasesComing soon
8. 8CompressibilityComing soon
9. 9DiffusionComing soon
10. 10Why diffusion is faster in gasesComing soon
11. 11Melting and freezingComing soon
12. 12Boiling and condensationComing soon
13. 13EvaporationComing soon
14. 14Factors affecting evaporationComing soon
15. 15Evaporation causes coolingComing soon
16. 16Latent heat of fusionComing soon
17. 17Latent heat of vaporisationComing soon
18. 18Temperature versus heatComing soon
19. 19Kelvin and Celsius scalesComing soon
20. 20SublimationComing soon
21. 21Plasma and Bose–Einstein condensate (extension)Coming soon