Help your class master the important concept of critical load. Pupils work together to build a structure using 12 playing cards. They test the critical load of the structure using pennies or paper clips.

Concepts

engineering design, technology resources

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Instructional Ideas

• Have a contest to see which group can create the strongest structure
  

Classroom Considerations

• Activity requires supplies so plan ahead
• It is helpful if learners have familiarity with structural integrity
  

Pros

• Provides definitions for relevant terminology
• Very detailed instructions in teacher's guide
  

Cons

• None