Technology Grade 9 Mini Pat Term 1 Memorandum Guide

The Story of Alex and the Missing Drone

“Design and make a model of a bridge (e.g., a truss bridge or beam bridge) that can span a 300 mm gap and support a load of at least 1 kg.” technology grade 9 mini pat term 1 memorandum

  • 1.5 List TWO safety precautions when using hydraulic rescue tools. (2)

    Discussion on the recyclability of materials (wood vs. plastic) and the impact of the bridge on the local ecosystem (e.g., disturbing riverbeds). TOTAL: 80 MARKS The Story of Alex and the Missing Drone

    Tips for Success

    1. Testing & evaluation guidance (what to mark)

    Forces: Brief explanation of Tension (pulling) and Compression (pushing). (2 Marks) 2.2 Initial Ideas (10 Marks) Marking Rubric: Two distinct sketches provided (4 Marks). Labels showing forces/components (2 Marks). Notes on pros/cons of each design (4 Marks). Part 3: Final Design and Working Drawings 3.1 Final 3D Drawing (10 Marks) Marking Rubric: Single-point or two-point perspective used (4 Marks). Detail and neatness (3 Marks). Appropriate use of color/shading (3 Marks). 3.2 Working Drawing (10 Marks) Marking Rubric: Drawn to scale (e.g., 1:2 or 1:5) (3 Marks). Front, Top, and Side views (Orthographic) (4 Marks). Dimensions in millimeters (3 Marks). Part 4: Construction and Evaluation 4.1 Construction Process (12 Marks) Safety: Safe use of glue guns/cutters (2 Marks). Testing & evaluation guidance (what to mark)

    • Investigation: ___ / 20
    • Design: ___ / 20
    • Making (practical): ___ / 25
    • Evaluation: ___ / 5
    • Grand Total: ___ / 70

    SECTION B: Design (30 marks)

    Question 4: Sketch two possible solutions (10 marks each – Total 20 marks)

    | Criteria | Marks (per sketch) | |----------|--------------------| | Neat 3D isometric or oblique sketch | 3 | | Labels (at least 4 parts) | 3 | | Shows dimensions or scale | 2 | | Shows mechanism/structural detail | 2 |