Matter in Our Surroundings

This chapter introduces the nature of matter — its physical properties, the three states (solid, liquid, gas), and how matter changes state through processes like melting, evaporation, and sublimation. It also explores h…

• Matter is anything that has mass and occupies space.
• The three common states of matter are solid, liquid, and gas; plasma is a fourth state.
• Solids have fixed shape and volume because particles are tightly packed and vibrate in place.

Full explanation, worked examples & memory tricks in the app