This document provides information about copper in 3 paragraphs: Paragraph 1 summarizes copper's physical properties including its melting point, boiling point, density, thermal and electrical conductivity. Paragraph 2 discusses the history of copper usage dating back over 10,000 years, including its role in tools, weapons, and jewelry in ancient civilizations. Paragraph 3 outlines copper extraction methods including crushing, concentration, roasting, smelting, and refining to produce a pure copper product.