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The Secret of the Triangle

Natural Sciences and Technology · Term 2

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On this Quest, you'll discover…

Discover why strong structures are built out of triangles.

  • Find out that struts joined into triangular shapes make a strong, stable structure.
  • Find struts in roof trusses, bridges, cranes, pylons — and in limb bones.
  • Build a square frame and a triangular frame and compare how stable each one is.
  • Join struts with sticky tape or paper fasteners and test where your frame is weakest.
  • Find out about indigenous and traditional structures and the materials used to build them.

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