Structures have similarities and differences. The shape of a structure affects its stability and strength. The base of a structure affects its stability and strength. Materials have different strengths. Properties of materials need to be considered in design and construction.
Models are representations of real structures.
People of different races, cultures and genders have contributed to the construction and design of landmark Wisconsin structures. Resources will be provided. Sound is caused by vibrations. Sounds can be compared by their properties. Sound travels in waves.