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Grade 7
Technology
16. Engineering
16.2 Materials Science, Properties and applications, Technology
Materials Science: Understanding Properties and Engineering Applications
Discover how the properties of metals, ceramics, polymers, and composites determine their use in real-world engineering and technology.
What You'll Learn
Material properties determine how engineers select materials for applications.
Metals, ceramics, polymers, composites, and semiconductors have distinct properties.
Key properties include hardness, ductility, conductivity, elasticity, and strength.
Biodegradable materials reduce environmental waste compared to conventional plastics.
What You'll Practice
1
Students identify material properties and match them to engineering applications.
2
Questions test understanding of conductors, insulators, alloys, and composites.
3
Learners analyze real-world material choices for helmets, wiring, and structures.
Why This Matters
Understanding material properties empowers students to explain and evaluate the engineering decisions that shape every technology and structure in the modern world.
This Unit Includes
Practice exercises
Learning resources
Skills
Material Properties
Conductivity
Engineering Design
Composites
Alloys
NS Curriculum Aligned