Change of State: Freezing and Melting

Change of State- Freezing and Melting

Matter can change from one state to another when heat energy is added or removed. Freezing and melting are opposite processes that involve changing the state of matter. When a liquid cools down, it can freeze into a solid. When a solid is heated, it can melt into a liquid. These change...

Imagine a beautiful lake near your home. During winter, the temperature drops below zero degrees Celsius, and the water freezes, creating a sheet of ice. Then, as spring arrives, the ice melts, turning back into liquid water.

But have you ever thought about why ice melts into water or how water freezes into ice? These are examples of the c...