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Building Bridges

A SciShow Kids viewer wrote us to ask how bridges are strong enough to carry cars and trucks! Jessi and Squeaks can explain -- with blocks!

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from Playdough To Plato

STEM Straw Bridges

Building Bridges: Their task was simple: build a bridge that was strong enough to hold a plastic cup filled with 100 pennies.

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Building bridges in STEM class! We have now tried four different types! Three are bundled and one is available separately. All include teacher directions, lab sheets, hints, and photos!

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Popsicle Bridges!  For this activity, the set-up was simple. I separated the students desks by 1 foot, gave each group 25 Popsicle sticks and 3 feet of tape. Their goal was to make the strongest and most aesthetically pleasing bridge across the great desk divide!

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Bosphorus Bridge Istanbul. It is 1,510 m (4,954 ft) long with a deck width of 39 m (128 ft). The distance between the towers (main span) is 1,074 m (3,524 ft) and their height over road level is 105 m (344 ft).

Bosphorus Bridge Istanbul. It is 1,510 m (4,954 ft) long with a deck width of 39 m (128 ft). The distance between the towers (main span) is 1,074 m (3,524 ft) and their height over road level is 105 m (344 ft).

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