Engineering Design · SHS3 Engineering

Lesson notes

Learning Objectives

Indicator: 3.3.1.LI.1 - Test and validate a prototype

By the end of the lesson, learners can:

Define prototype testing and validation and explain why both are essential steps in the engineering design process.
Identify at least four variable constraints (such as material strength, cost, time, environmental conditions, and user safety) that should be considered when testing a prototype.
Design and carry out a structured test plan for a simple prototype, recording observations systematically.
Analyse test results to judge whether a prototype meets its design specifications and state clearly whether it is validated or requires revision.
Present test findings and recommendations to peers using clear spoken and written communication, showing openness to feedback.

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Curriculum details

Strand: Systems Design and Prototyping (Strand 3)
Sub-strand: Engineering Design (3.1)
Content standard: 3.3.1.CS.1 - Demonstrate the ability to test and evaluate prototypes. 3.3.1.LO.1 Evaluate a prototype and test it using all possible variable constraints. 3.3.1.LO.2 Use feedback and observations made from testing and evaluation to improve a solution or prototype.
Indicator: 3.3.1.LI.1 - Test and validate a prototype
Suggested placement: Semester 2, Week 11 (Week 31 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. 131

Exemplars (from the NaCCA curriculum)

Inquiry-based Learning: Encourage learners to ask questions, gather information, and come up with their own solutions to problems. This can be a useful approach for prototype testing, as it allows learners to develop critical thinking skills and approach testing with a sense of curiosity and creativity.
Project-based Learning: Involve learners in the design and testing of a prototype. Learners to apply their knowledge and skills in a hands-on, experiential way.
Problem-based Learning: Learners are presented with a real-world problem and encouraged to work together to find a solution. This can be a useful approach for prototype testing, as it allows learners to develop problem-solving skills and think critically about the testing process.
Collaborative Learning: Involves learners working together in small groups to complete tasks and projects. This can be an effective way to learn about prototype testing, as it allows learners to learn from one another and share ideas and approaches to testing.

Assessment (3.3.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 1 Recall; Level 2 Skills of conceptual understanding; Level 3 Strategic reasoning; Level 4 Extended critical thinking and reasoning.

Teaching and Learning Resources:
- Video documentaries
- Audio-visual equipment
- Laptops with MS Office installed