Modern Marvels: Metal: Metal constitutes the very essence of the modern world; the cadence of our progress sounds in the measured ring of the blacksmiths hammer. From soaring skyscrapers and sturdy bridges to jet planes and rockets, metals play a key role. Our journey... (more details for Modern Marvels: Metal)

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File by Jeff Rodriguez (#1966)
2012-03-16 Grade: 9-10
File by D. Hoshaw (#3076)
2017-03-03 Grade: 9-10