Select materials for use, based on their properties.

Selection of materials should be based on

• the performance demands of a product
• the properties and specifications of materials (i.e., plastics, metals, woods, ceramics, and composites)
• ease of manufacturing
• equipment needs and capabilities
• personal and environmental impacts
• the cost variables of alternative materials.

Process/Skill Questions:

• What are the major types of materials?
• What is the difference between a hardwood and softwood?
• What are two major types of steels?
• What is a composite material?