Solid liquid and gas
Solid-liquid and gas Freezing On cooling, the molecules in the liquid slow down for forming regular bonds between them. Thus, lovely crystals form, when water freezes to snowflakes. What is Matter? MATTER IS EVERYTHING AROUND US. Any substance in the universe that takes up space is known as matter. The matter is found in three different forms or states in solid form, like a brick, in liquid forms, like water, and in the form of gas, like air. At the right temperature and pressure, any substance can change its form and reverse again. For example, the liquid, water, turns into ice and ice turns into water. Solid A strong substance that has a definite shape is solid. Every substance is made from very tiny bits called molecules. Molecules are so small that they cannot be seen. In a solid substance, the molecules are bonded together firmly in a regular structure. All molecules keep moving all the time, but molecules simply vibrate on the spot in a solid. AS...