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Lesson: Strong as the Weakest Link

To introduce the two types of stress that materials undergo — compression and tension — students in grades 5-7 examine compressive and tensile forces and learn about bridges and skyscrapers. They construct their own building structure using marshmallows and spaghetti to see which structure can hold the most weight.

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Activity: Leaning Tower of Pasta

towers pic1Using spaghetti and marshmallows, students in grades 5 – 7 experiment with different structures to determine which ones can handle the greatest amount of load. Their experiments help them understand compression and tension forces in relation to the strength of structures.

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Engineering Societies

A list of some of the many Engineering Societies.

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