The process you're describing is called smelting. Here's how it works:

* Ore: A naturally occurring rock that contains a valuable metal, often mixed with other elements.

* Smelting: The process of extracting the metal from the ore by heating it to a very high temperature, usually with a flux (a substance that helps remove impurities) and sometimes a reducing agent (a substance that helps remove oxygen).

* Melting: During smelting, the ore and flux are heated until they melt. The molten metal is then separated from the slag (impurities and waste).

Examples:

* Iron ore: Iron ore is often smelted with coke (a form of coal) as the reducing agent and limestone as the flux.

* Copper ore: Copper ore is often smelted with silica as the flux.

Key takeaway: Smelting is a crucial process in metallurgy, allowing us to obtain valuable metals from their naturally occurring forms.