Task 1: Your job is to build the tallest freestanding structure you can using 20 toothpicks and 20 small marshmallows.
Reflections: Students reflected that the marshmallows were too soft and maybe harder ones would maintain the shape better. So we let the marshmallows dry for about 5 hours.
We discovered that the structures held their shape much better with firmer marshmallows.
Our grade 5 building expert told the grade ones' You need triangles for stability and support a skinny top with a wide base.'