What you'll learn
Choosing materials for their properties.
Key ideas
- Properties (hardness, conductivity) and polymers.
- Alloys and nanoparticles (large surface area).
- Recycling and life cycle assessment.
Exam tips
- Match a material's property to its use.
- Weigh benefits and risks of nanoparticles.
Common mistakes
- Confusing properties with uses.
- Ignoring environmental impact.