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Triple-Load Bridge
While still learning that care in constructing a model
bridge can determine whether it will succeed or fail,
students are asked to design a paper bridge to support
triple the previous day's load. As before, students
start with an entire sheet of paper and discover for
themselves that the sheet can support the 3-bottle load.
They then use procedures -- like carefully looking at
the lines of stress on the paper when loaded -- to help
decide what parts of the bridge can be cut away without
leading to failure. Notice in MOVIE 1 the different
sources from which a team can get design ideas.
As you watch this movie, keep these ideas in mind:
1. Does this group take risks as designers?
2. How would you describe the group dynamics?
3. When did the team seem least able to communication?
4. What design strategies seemed to work best?
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