Metals have had such an impact on civilization that we name some eras for the discovery of specific metals: the Bronze Age and the Iron Age. In this program, learn about the characteristic and properties of metals, as well as the appearance of metals throughout history. We'll explore prehistory; metals and tools; the first metals to be discovered; advantages of metal as compared to stone, wood, and bone; pure metals; alloys; heavy metals; iron; aluminum; and bronze. Most importantly, we'll explore how metals have impacted technology, machines, engines, vehicles, and the survival of our species.

Originally released by Cerebellum Corporation, 2013. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Importance of Metals (2:13); --History (2:48); -- Characteristics of Metals (2:01); -- Iron (3:11); -- Aluminum (1:35); -- Metal in Our Lives (3:11); -- Summary (2:37); -- Credits: Metals (2:16); .