||To construct a spring-type scale
||To demonstrate that the length of stretched material is proportional
to the mass suspended from it. In this way, we can see how elasticity
can be used for measurement.
||Any number of individuals or teams.
||two rulers or pieces of wood of the same size; a rubber band; thumb
tacks; paper clips; a set of masses.
||Construct a scale using only the materials provided.
||The scale that can suspend the greatest mass is the winner.
||Youth Science Foundation Science Olympics Manual.