SHS2 Manufacturing Engineering · Semester 2 Week 6: Manufacturing Tools and Equipment

Lesson notes

Learning Objectives

Indicator: 2.3.1.LI.2 - Apply measuring tools for the measurement of work pieces.

By the end of the lesson, learners can:

Use a steel rule to measure the length, width and depth of work pieces to the nearest millimetre.
Read the main scale and vernier scale of a vernier caliper to obtain measurements to 0.1 mm accuracy.
Read the sleeve and thimble scales of a micrometer screw gauge to obtain measurements to 0.01 mm accuracy.
Record measurements from all three instruments for the same work piece and evaluate which instrument gives the most precise reading.
Present and justify their measurement results to the class, explaining any differences between readings from the three tools.

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Curriculum details

Strand: Manufacturing Tools, Equipment and Processes (Strand 3)
Sub-strand: Manufacturing Tools and Equipment (3.1)
Content standard: 2.3.1.CS.1 - Demonstrate knowledge and understanding of using measuring tools 2.3.1.LO.1 Apply measuring instrument and hand tools to manufacture engineering components.
Indicator: 2.3.1.LI.2 - Apply measuring tools for the measurement of work pieces.
Suggested placement: Semester 2, Week 6 (Week 26 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: NaCCA curriculum document, p. 67

Exemplars (from the NaCCA curriculum)

Experiential Learning: Learners in mixed-ability groups use rule, vernier calipers and micrometer screw gauge to measure work pieces. Share results with the rest of class for comments
Teaching and Learning Materials:
- * Rule * Vernier callipers * Micrometer screw gauge
- * Measuring tools * Audio-visuals
- * Supplementary books and materials * Library
Assessment (2.3.1.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 4 Extended critical thinking and reasoning.