Matter In Our Surrounding

• Condensation is a process in which a gas turns into a liquid and heat energy is lost. This is the opposite of evaporation.
• For example, the water droplets on the surface of a glass full of ice-cold water. Water vapour that is formed from evaporation comes in contact with the cold tumbler so it loses energy and gets converted to water.

TWO MORE STATES OF MATTER: PLASMA AND BOSE-EINSTEIN CONDENSATE

Scientists now say that there are actually five states of matter:

• Solid
• Liquid
• Gas
• Plasma
• Bose-Einstein Condensate.

Plasma:

• The state consists of super energetic and super excited particles.
• These particles are in the form of ionized gases.
• They can also be made on the earth by passing electricity through gases at very low pressures taken in a glass tube (called discharge tube).

Bose-Einstein Condensate:

• The BEC is formed by cooling a gas of extremely low density, about one-hundred-thousandth the density of normal air, to super low temperatures.