Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
Copper is a natural material found in the earth because it is an elemental metal, which requires a specific genre, material, and element, and is a type of matter that occupies space and has energy.
External reference — all senses of the word “Copper Metal” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.