Proposed that everything in the world is made of four elements (earth, water, air, fire). These were seen as building blocks of nature
Aristotle
He added a fifth element, Aether, believed to make up celestial bodies
Wu Xing
Five phases: Wood, fire, earth, metal, water. Represented not physical substances but dynamic processes and relationships
Panchabhuta
Five classical elements: Earth (prithvi), water (apas), fire (agni), air (vayu), and ether (akasha). It emphasized the interconnectedness of matter and spirit