South 고등학교 2학년 Creative Engineering Design
Chapters: 2
1. Understanding creative engineering design
Meaning of engineering · Engineering and civilisation · Design-based problem solving · Creativity in engineering · Teamwork in design · Design across industries
- What Is Engineering? – Engineering is using science, maths and creativity to design and build useful things that solve real problems within limits of cost, safety, time and materials. Engineers follow a design process loop: identify the problem, research, generate ideas, build a prototype, test, and improve. From ancient irrigation and roads to today's chips and vaccines, engineering shaped civilisation. Its main branches are civil, mechanical, electrical, chemical, computer and biomedical, and modern problems join many of them together (convergent or STEAM engineering).
- The Design Process: From Problem to Product – The design process is a loop of steps designers use to solve a real problem for real people: investigate the need, define it in a brief and a measurable specification, generate many ideas, build a prototype, then test and evaluate it against the specification. Whatever fails sends you back round the loop. This repeating is called iteration, and it is how almost every product, app, building and artwork is improved.
- Creative Thinking: How to Make Many Ideas and Pick the Best – Creative thinking is making ideas that are both new and useful. It is a skill anyone can grow. It has two moves: divergent thinking (opening out to many ideas) and convergent thinking (closing in on the best one). Tools help: brainstorming (many ideas, no judging), association (joining unrelated things), SCAMPER (Substitute, Combine, Adapt, Modify, Put to another use, Eliminate, Reverse), and reverse thinking (flip the problem, then flip the answers). Creative people take sensible risks, learn from failure and keep trying. Creativity matters in art, science, engineering, business and daily life.
- Collaboration and Teamwork – Collaboration means people working together towards one shared goal, sharing ideas, work and credit. Good teams agree a clear goal, split work into roles that fit people's strengths, and communicate through shared channels. The number of communication links grows fast (n(n−1)/2), so teams of about 4–7 often work best. Teams pass through stages: forming, storming, norming, performing and adjourning. Disagreement is normal and is solved by listening, ground rules and focusing on the problem. Collaborative critique (praise, question, suggest) improves work, and the same skills apply in design projects, art, writing and online work.
2. Creative engineering design project
Forming teams · Finding the problem · Defining the problem · Divergent idea generation · Convergent selection · Evaluating options · Digital modelling · Choosing materials · Tools for prototyping · Building the prototype · Presenting and evaluating
- Collaboration and Teamwork – Collaboration means people working together towards one shared goal, sharing ideas, work and credit. Good teams agree a clear goal, split work into roles that fit people's strengths, and communicate through shared channels. The number of communication links grows fast (n(n−1)/2), so teams of about 4–7 often work best. Teams pass through stages: forming, storming, norming, performing and adjourning. Disagreement is normal and is solved by listening, ground rules and focusing on the problem. Collaborative critique (praise, question, suggest) improves work, and the same skills apply in design projects, art, writing and online work.
- The Design Process: From Problem to Product – The design process is a loop of steps designers use to solve a real problem for real people: investigate the need, define it in a brief and a measurable specification, generate many ideas, build a prototype, then test and evaluate it against the specification. Whatever fails sends you back round the loop. This repeating is called iteration, and it is how almost every product, app, building and artwork is improved.
- Creative Thinking: How to Make Many Ideas and Pick the Best – Creative thinking is making ideas that are both new and useful. It is a skill anyone can grow. It has two moves: divergent thinking (opening out to many ideas) and convergent thinking (closing in on the best one). Tools help: brainstorming (many ideas, no judging), association (joining unrelated things), SCAMPER (Substitute, Combine, Adapt, Modify, Put to another use, Eliminate, Reverse), and reverse thinking (flip the problem, then flip the answers). Creative people take sensible risks, learn from failure and keep trying. Creativity matters in art, science, engineering, business and daily life.
- Decision Making: How to Choose Well, Step by Step – Decision making means choosing the best option from two or more choices. A good decision follows steps: spot the problem, list options, set criteria, give each criterion a weight, score the options, choose, act and then review. A decision matrix turns this into simple numbers.
- CAD/CAM: Digital Design and Manufacture – CAD (computer-aided design) is drawing and testing a product on a computer as an exact 3D model. CAM (computer-aided manufacture) turns that model into instructions (a toolpath, saved as G-code) that a computer-controlled machine follows to make it. CNC milling and lathes cut material away (subtractive). 3D printers build up layers (additive). Laser cutters cut flat sheets. Using CAD and CAM together makes parts accurate, repeatable and quick to change, and lets designers make fast prototypes (rapid prototyping). The costs are expensive machines, training and less hand skill.
- Materials and Their Properties – Everything we make is built from materials: wood, metals, plastics, glass, ceramics, fabrics and composites. Each has properties such as strength, stiffness, hardness, flexibility, density, heat and electrical conduction, transparency, water resistance and cost. Designers choose a material whose properties fit the job, think about how it will be shaped and joined (screws, nails, glue, welding, soldering, stitching), and consider safety, cost and the environment. Clothes are made from natural fibres (cotton, wool, silk) and synthetic fibres (polyester, nylon), each with its own feel and use.
- Making Things: From Idea to Prototype – To make a product, we plan it, choose materials, measure and mark, cut, join, finish, test and then improve. The first working model is called a prototype. Each step uses the right tool, used safely. Testing shows what must change, and a good maker repeats the loop until the product works well.
- Science Communication: Sharing and Judging Scientific Results – Science communication means sharing findings clearly and honestly, and judging what others claim. Fit the message to the audience without changing the facts. Reports and posters follow an order: question, method, results, conclusion with limits, references. Graphs need titles, labelled axes and units. In demonstrations and exhibitions, show the idea in action and invite questions. In the media, claims often grow bigger than the evidence, and everyday words like theory mean something different in science. Check the source, the evidence, the sample size and whether others confirmed it.