You'll test the stability of a triangle and a square by standing them on a table and pressing on them. The one that changes shape less is more stable. 1. With your partner, build a triangle and a ...

Using triangles is a great way to support and stabilise a structure. This is called triangulation. With triangulation, a structure holds its shape when weight is applied, because the triangle ...

You will need a simplified image of a conifer (triangle shape ... mobility aids can make hand shapes. If students consistently have trouble guessing, modify this activity to start by pointing ...