Plasma, the fourth state of matter consist of super energetic and super excited particles. These particles are in the form of ionised gas. The fluorescent tube and neon sign bulbs consist of plasma.
2) Bose-Einstein condensate, the fifth state of matter. In 1920, Indian physicist Satyendra Nath Bose had done some calculations for fifth state of matter. Building on his calculations, Albert Einstein predicted a new state of matter - the Bose - Einstein condensate (BEC).