Takes Two to Topple

Objective: Students use trial-and-error testing and careful observation to build a hypothesis on the principles behind structural balance.

Materials: Each student will need

  • 40-60 standard LEGO bricks
    Dimensions: 1x1, 2x1, 3x1, 4x1, 6x1
  • 2-3 sheets of graph paper (5 mm x 6 mm squares)
  • Page of simple structure graphs (optional)
  • Page of complex structure graphs (optional)
  • Pen or Pencil
  • Tabletop or other flat,level surface
  • Web browser connection to the Cross-Section applet or activity.


To the Web Lesson!
(JavaScript Edition)

To the Web Lesson!
(Java Edition)