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Product and Process, Class activity: Examine product packagingTesting…

- - - - Concept 1 Hygiene in production (DBE, 2011): Establishes the requirement for clean production tools, equipment, and sanitized factory/workshop facilities
      - Concept 2 Safe handling practices (Rauscher, 2018): Focuses on human worker procedures, sanitization habits, and handling protocols to avoid contamination during processing and distribution
      - Class Activity (Discuss safe food handling): Translates these principles into a practical classroom discussion where Grade 3 learners evaluate why cleanliness matters when handling food from field and factory to shop and home
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- - - - Concept 3 Processing techniques (Mapotse, 2019): Focuses on the broader systematic tools, machinery, and methods required to execute these transformations efficiently
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        Class Activity: Sorting Materials by Processing State & Exploration:Learners receive a tray with paired concrete materials (sugarcane stalk vs. sugar crystals; raw wet clay vs. fired brick). Working in small groups, they examine the physical properties of each item using their senses (touch, texture, hardness) and classify them into two categories: Raw / Natural Materials and Processed / Transformed Products.
        
        Concept 2 Transforming raw materials (Naudé & Meier, 2025): Explains what happens to the material during processing as its state and internal structure are transformed
      - Packaging and Preservation
        
        Concept 1: Product Protection (Mapotse, 2019): Technology engineers physical barriers (paper, plastic wrap, foil, airtight containers) designed to protect products from environmental hazards and physical damage during transport and storage
        
        Structure and Joining
        
        Concept 1: Building Materials (Feasey, 2015): Natural Science provides the empirical basis for understanding which natural materials possess the necessary physical characteristics (such as hardness and durability) to be used as building components
        
        Class Activity: Test Brick Stability: Learners stack mini-bricks in different arrangements (with and without wet clay mortar) and test their stability under force
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        Concept 2: Structural Strength (Charlesworth & Lind, 2013): Technology investigates how combining individual processed units (such as fired bricks) with binding agents (like mortar or wet clay) creates strong, stable structures capable of bearing load and resisting forces
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- - - - Concept 3: Processing techniques (Mapotse, 2019): Covers the multi-step technical methods, tools, kilns, and machinery used in manufacturing processes
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        Packing and preservation
        
        Concept 1: Product protection (Mapotse, 2019): Teaches how technological design utilizes barrier materials (such as paper, plastic wrap, foil, and woven containers) to safeguard processed items from environmental hazards
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        Class Activity: Examine product packaging: Learners inspect, test, and compare various real-world packaging materials to evaluate barrier strength, sealing mechanisms, and suitability for protecting different processed goods
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        Structures and Joining
        
        Concept 1: Building materials (Feasey, 2015): Focuses on evaluating and selecting suitable materials based on physical properties such as strength, durability, and moisture resistance for construction purposes
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        Concept 2: Structural strength (Charlesworth & Lind, 2013): Examines how structural stability depends on joining techniques, interlocking placement patterns, and binding agents (such as mortar or clay) to withstand external forces
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        Class activity: Test brick stability: Learners participate in hands-on technological exploration by stacking mini-bricks in different arrangements (with and without mortar/clay) to test load-bearing strength and structural integrity under pressure
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        Concept 2: Storage requirements (DBE, 2011): Examines how the specific physical properties of processed goods dictate their storage conditions (e.g., keeping refined sugar dry or sealing food airtight) to maintain quality and fitness for purpose over time
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