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It's imperative to be as precise as possible. Future engineers learn about precision by building a cardboard machine. The base, corners, handles, and paddles must all be assembled with precision or the machine won't work.
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Instructional Ideas
- Have the class brainstorm uses of their machines in a journal entry
Classroom Considerations
- Some materials are necessary for the activity
- This is the last installment of a five-part series
Pros
- Instructions include diagrams that show steps for the construction
- Describes some engineering connections
Cons
- None