Secondary 4 Design & Applied Technology
Design and Applied Technology: from the design cycle and materials, through systems and control, to sustainable design, inclusive design and intellectual property — aligned with the official DAT curriculum, with DSE-style examples and quizzes.
The order below is the recommended shallow-to-deep path.
Units 單元
Tap a unit name to jump to its topics.
核心概念 Core Concepts1/1 live
⚡ Unit quiz 快測5 Qs
Answer on your own first, then reveal — wrong answers go to your wrong-answer book.
Q1What is the first stage of the design cycle?
Q2Name two key rules of brainstorming.
Q3What items does a design specification usually cover?
Q4What is the main purpose of a prototype?
Q5What should the design be checked against during evaluation?
應用與應試 Application and Exam Skills1/1 live
⚡ Unit quiz 快測5 Qs
Answer on your own first, then reveal — wrong answers go to your wrong-answer book.
Q1Which group of materials is light, waterproof and easily moulded?
Q2Why is aluminium alloy commonly used for bicycle frames?
Q3Why is polypropylene often used for ring binder lids?
Q4For which tasks is 3D printing best suited?
Q5What are the basic steps for answering a material question?
Vocabulary book 生字簿
All terms, bilingual (printable).
The design thinking process from identifying needs to evaluation and improvement, which can loop back on itself.
A genuine gap or requirement of users that design aims to satisfy.
A list stating the required functions, size, materials and safety of a product.
An idea-generation method that defers judgement to produce many ideas quickly.
A diagram that branches outward from a central topic to organise associations.
A quick freehand drawing used to record and communicate ideas.
A model built from an idea to test and verify the concept.
The stage of operating a prototype to check whether it performs as required.
Judging a design against the specification item by item to find improvements.
Hard, strong materials that conduct heat and electricity, such as aluminium alloy and stainless steel.
Light, easily moulded, waterproof polymer materials such as acrylic.
Warm, easily worked materials with natural grain; solid wood and plywood have different uses.
Choosing suitable materials by weighing properties, cost and workability against product requirements.
The ability of a material to resist forces without breaking.
The quality of resisting wear, deformation or rust over long use.
Shaping materials into required forms by cutting, sanding, joining and similar methods.
A rapid forming technology that builds objects layer by layer from a computer model.
A mass-production process that injects molten plastic into a mould and cools it into shape.