Toothpick and Marshmallow Bridge

[expand title=”Day 1 – Exploration”]

• Free build of bridge over a fixed gap (6″)
• Gallery walk
• Group discussion/share of ideas
• Refine/modify
• Class discussion
  • Similarities
  • differences
  • What did you notice about other group’s bridges?
  • Strength predictions
• Can you represent your bridge with and expression?
• Graph class data

 

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[expand title=”Day 2 – Finding Structure”]

• Build a bridge to span 8″
  • Did you change from your original design?
    • (Discussion) What did you change and why?
  • Represent your bridge with an expression
    • (Discussion) What is the same/different with your expression?
• Add class data to graph

[/expand]