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A Solid Construction

  • Grade 5
  • Science and Technology
  • Understanding Structures and Mechanisms


In this mission, students name internal and external forces. Using the engineering design process, students construct and test the strength of a structure and indicate the forces acting on that structure.

Learning goals

  • I name the internal and external forces acting on a structure, and describe their effects on the structure.


  • engineers
  • structure
  • materials
  • form
  • function
  • engineering
  • engineering design process
  • forces
  • push
  • pull
  • crush
  • resist
  • stretch
  • twist
  • analyze