SHS2 Applied Technology · Semester 1 Week 10: Engineering Materials, Tools, and Machines

Lesson notes

Learning Objectives

Indicator: 2.2.1.LI.6 - Apply the principles of sand casting to produce articles

By the end of the lesson, learners can:

Describe accurately and honestly the sequence of steps in the sand casting process, from pattern making to finishing.
Identify sand casting tools and equipment by name and explain the characteristic function of each one.
Design a simple article suitable for sand casting, selecting appropriate materials and explaining their choices.
Produce a finished sand cast article working collaboratively in a group, following correct safety procedures throughout.
Evaluate the quality of their cast article against set criteria and suggest improvements for future castings.

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Curriculum details

Strand: Metal Technology (Strand 2)
Sub-strand: Engineering Materials, Tools, and Machines (2.1)
Content standard: 2.2.1.CS.1 - 2.2.1.CS.1 Demonstrate understanding in the use of engineering tools, materials and machines 2.2.1.LO.1 Develop and apply skills of heat treatment to a particular metal and perform operations using grinding, drilling, lathe and shaping machines
Indicator: 2.2.1.LI.6 - Apply the principles of sand casting to produce articles
Suggested placement: Semester 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: NaCCA curriculum document, p. 79

Exemplars (from the NaCCA curriculum)

Group work:
- Group students to describe accurately and honestly the processes used in sand casting.
- Using samples of sandcasting tools and equipment assist students to identify and discuss the characteristics of sand casting. Put students in groups and assist them to design and make articles using sand casting process.

Assessment (2.2.1.AS.6). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning; Level 4 Extended critical thinking and reasoning.

Teaching and Learning Materials:
- Heat treatment equipment
- video clips/YouTube of heat treatment process
- Grinding, drilling
- lathe and shaping machines
- video/YouTube
- Educational trips
- Chart
- real object
- video clips
- Industrial visit
- Sand casting equipment