What made aristotle's idea of matter differ from that of scientists?

Aristotle's theory of the basic constituents of matter looks to a modern scientist perhaps something of a backward step from the work of the atomists and Plato. Aristotle assumed all substances to be compounds of four elements: earth, water, air and fire, and each of these to be a combination of two of four opposites, hot and cold, and wet and dry.

Try b? sorry if i’m incorrect