Classify methods of altering materials.
Classification may include
- forming
- separating
- casting and molding
- conditioning
- finishing.
Process/Skill Questions:
- What are ways to change the shapes of materials?
- How can metal be altered to use for products such as beams, wire, soft drink cans, and engine blocks?
- How can plastics/polymers be altered to make products such as containers, fabric, and pipes?
- How do materials become products (e.g., trees to chairs)?
- What are some ways metal can be formed? Wood? Polymers?
- What materials can be molded?
- How does rapidly heating or cooling affect a metal’s strength?