Understanding: Bridges DVD

Discovery Education

$49.95 
SKU: DC010546
Format: DVD
Grade Level:
Runtime: 27
Copyright:

Alt Formats:
Free Resources
Marc Record

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There’s more to the “why” of bridges than getting to the other side! Here, learn why some are light and elegant, while others are massive slabs; why some are arched and some suspended; why some are concrete and others steel. See up close just how we pull off putting up these enormous structures.