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                  Fall of the Leaning Tower
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                  Viewing Ideas
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            Before Watching
           
            
              
                To give students an appreciation of the tower's weight, ask them
                to work in pairs to compare its weight (14,000 tons) to
                something familiar to them. For example, if an average midsize
                car weighs 1.75 tons (3,500 pounds), then how many cars would be
                needed to equal the tower's weight? 14,000 tons ÷ 1.75
                tons = 8,000 cars.
              
              
                Ask students to sketch three ideas illustrating how they might
                straighten the tower. As they watch, have students keep notes on
                reasons for the tower's lean and measures taken to prevent or
                correct it.
               
            After Watching
           
            
              
                Return to students' sketches. How close were their ideas to
                ideas presented in the program? Compare students' ideas to those
                in the program and discuss the advantages and disadvantages of
                each.
              
              
                Discuss attempts that have been made to straighten the tower and
                rate each in terms of effectiveness. Have students vote on which
                corrective measure they think should be pursued further.
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