Classification should include the study of characteristics, application, and optimization of material science for the following types:

• Metals (including alloys)
• Polymers (e.g., wood, plastics, petroleum, fibers)
• Ceramics
• Composites

Process/Skill Questions:

• What is the most important characteristic of a ceramic material? Why?
• What is a composite material? How might it be used?
• What are the major types of plastics? How are they similar to each other? How are they different from each other?
• What are the major properties of materials?
• To what degree is each property important in terms of a material's use as a technological resource?