Curated OER
The Mag Mile and ... Torque!
High schoolers use paper plates and detailed directions to build a model of the Michigan Avenue Bridge's gear system. By carefully measuring and cutting "teeth" for the gears of the "Gear Train," they create small gear that will...
Curated OER
A Bridge in Balance
Learners explore how the Michigan Avenue Bridge works and the
importance of it being perfectly balanced. They make a model of a bascule trunnion bridge and balance their bridge by calculating the weight
of the necessary counter weight.
Curated OER
A Bridge Going Up and Down
Students recognize the purpose of the Michigan Avenue Bascule Trunnion Bridge. They examine photos of bridges and sing a song about Chicago's famous bascule trunnion bridge to investigate how
moveable bridges work.