Resistant Materials · JHS1 Career Technology

Lesson notes

Learning Objectives

Indicator: B7.2.2.1.2 - Distinguish between the types of resistant materials

By the end of the lesson, learners can:

Sort at least 10 different resistant materials into their correct categories: wood (hardwood, softwood, manufactured boards), metals (ferrous, non-ferrous, alloys, smart), and plastics (thermosetting, thermoplastic).
State at least two key characteristics of each main category of resistant materials (wood, metals, plastics).
Compare and contrast thermosetting plastics with thermoplastics, giving at least one example of each.
Distinguish between ferrous and non-ferrous metals based on their iron content.
Present a sorted collection of resistant material samples to the class and justify the reasoning behind their categorisation.

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Curriculum details

Strand: Materials for Production (Strand 2)
Sub-strand: Resistant Materials (2.2)
Content standard: B7.2.2.1 - Demonstrate knowledge of basic concept of resistant materials
Indicator: B7.2.2.1.2 - Distinguish between the types of resistant materials
Suggested placement: Term 1, Week 10 (Week 10 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Career Technology, Common Core Programme (JHS1-JHS3), 2023, p. 10
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Sort out different resistant materials into various categories
E.g.,
- Plastics-thermosetting plastics and thermoplastics
- Wood-hardwoods, softwoods and manufactured (man-made) boards
- Metals-ferrous, non-ferrous, alloys and smart.
2. Identify and write the names of the various types of resistant materials under their categories and present in class for discussion.