Year 11 WJEC Engineering: Teaching Suggestions and Lesson Plan Sharing | Year 11 WJEC 工程：教师教学建议与教案分享

📚 Year 11 WJEC Engineering: Teaching Suggestions and Lesson Plan Sharing | Year 11 WJEC 工程：教师教学建议与教案分享

Teaching Engineering at Year 11 under the WJEC specification demands a careful blend of theoretical knowledge, practical skills, and exam readiness. This article shares practical teaching suggestions and lesson plan templates that align with the syllabus, supporting both new and experienced educators in delivering engaging and effective lessons. Drawing on current best practices, we explore how to structure topics, integrate hands‑on activities, and prepare students for success in both controlled assessments and final examinations.

在 WJEC 大纲下教授 Year 11 工程课程，需要将理论知识、实践技能与备考策略紧密结合。本文分享实用的教学建议和教案模板，帮助新老教师设计富有吸引力且高效的课堂。文章结合当前最佳实践，探讨如何组织课题、融合动手活动，并确保学生在控制性评估和最终笔试中都能取得理想成绩。

1. Understanding the WJEC Engineering Specification | 理解 WJEC 工程课程大纲

Before planning any lesson, it is essential to deconstruct the WJEC Level 1/2 Vocational Award in Engineering specification. The course is divided into three units: Unit 1 (Engineering Design), Unit 2 (Producing Engineering Products), and Unit 3 (Solving Engineering Problems). Unit 1 is externally assessed through a written examination, while Units 2 and 3 are internally assessed via controlled assignments. Teachers must be fully conversant with the assessment criteria, command words, and the weighting of each unit.

在设计任何教案之前，必须先解构 WJEC 工程职业资格（1/2 级）课程大纲。该课程分为三个单元：单元 1（工程设计）、单元 2（制造工程产品）和单元 3（解决工程问题）。单元 1 通过外部笔试进行考核，单元 2 和 3 则为内部控制性评估。教师必须全面熟悉评估标准、指令词以及各单元的权重。

The specification emphasises applied learning. Students need to demonstrate not only recall but also the ability to analyse, evaluate, and synthesise engineering information. A typical Year 11 scheme of work should revisit key content from Year 10, deepen understanding of materials and processes, and build confidence in tackling 6‑ and 8‑mark exam questions. I recommend creating a curriculum map that shows the spiral progression of topics, making revision sessions more coherent.

大纲强调应用性学习。学生不仅要会记忆，还必须具备分析、评价和综合工程信息的能力。一份典型的 Year 11 教学计划应该回顾 Year 10 的关键内容，加深对材料和工艺的理解，并建立解决 6 分和 8 分简答题的信心。我建议绘制一张课程图表，显示各课题的螺旋式进阶，让复习课更有条理。

2. Effective Lesson Planning for Engineering | 高效的工程课程教案规划

A well‑structured engineering lesson plan should include clear learning objectives, a starter that activates prior knowledge, a varied main activity, and a plenary that checks understanding. For a 60‑minute session, I allocate roughly 5 minutes for the starter, 40 minutes for the main learning (often split into teacher exposition, group tasks, and hands‑on practice), and 15 minutes for consolidation and peer assessment.

一份结构良好的工程教案应包含清晰的学习目标、激活旧知的导入活动、形式多样的主体活动，以及检测理解的课堂小结。对于一节 60 分钟的课，我通常会安排 5 分钟的导入、40 分钟的主体学习（通常分为教师讲解、小组任务和动手练习）以及 15 分钟的巩固和同伴互评。

An example lesson plan on ‘Ferrous and Non‑Ferrous Metals’ might begin with a quick quiz on metal properties, followed by a practical activity where students test samples with a magnet and a file. The main task could involve completing a comparison table, while the plenary uses ‘Exit Tickets’ where students write one thing they learned and one question they still have. Using a standardised lesson template helps maintain consistency across the department.

以“黑色金属与有色金属”一课为例，可以从金属特性的快速小测开始，然后让学生使用磁铁和锉刀对样品进行实际测试。主体任务可以包括完成一张对比表格，而课堂小结则采用“离场券”——学生写下一项收获和一个仍然存在的疑问。使用标准化的教案模板有助于保持整个教学团队的一致性。

Lesson Section	Activity	Timing
Starter	Metal properties quiz	5 min
Introduction	Teacher demo: magnet test	10 min
Main Activity	Practical investigation + comparison table	30 min
Plenary	Exit Tickets and peer discussion	15 min

Sample lesson structure for a metals topic.

金属专题的课堂结构示例。

3. Integrating Theory and Practical Work | 理论与实践的结合

Engineering is at its most engaging when students see the direct link between theory and practice. Whenever you teach a theoretical concept such as calculating bending moments, follow it with a simple hands‑on task—for instance, using a ruler and weights to simulate a cantilever beam. This kinesthetic approach solidifies abstract ideas and caters to a range of learning styles.

当学生能够看到理论与实际的直接联系时，工程课才最具吸引力。每当你讲解一个理论概念，例如计算弯矩，都可以紧接着安排一个简单的动手任务——比如用直尺和砝码模拟悬臂梁。这种动觉教学法能巩固抽象概念，并满足不同学习风格的需求。

In the WJEC specification, Unit 2 requires learners to produce an engineered product using a range of hand tools and machinery. Use this opportunity to reinforce theory from Unit 1: while students are cutting, drilling, and assembling, question them about the properties of the material they are using, the reasons for selecting a particular manufacturing process, or the quality control measures they are applying. This contextual questioning turns a workshop session into a rich learning experience.

在 WJEC 大纲中，单元 2 要求学习者使用多种手动工具和机器制造一个工程产品。应利用这一机会巩固单元 1 的理论：在学生进行切割、钻孔和装配时，询问他们所用材料的特性、选择特定制造工艺的原因，或正在采用的质量控制措施。这种情境式提问能把车间实操变成丰富的学习体验。

Safety must never be compromised. Always begin practical sessions with a dynamic risk assessment and ensure students can identify potential hazards. A theory–practice linking table, maintained in students’ notebooks, can map every practical activity to the theoretical learning outcomes it supports.

安全绝对不容妥协。每次实践课前都应进行动态风险评估，并确保学生能够识别潜在的危险。可在学生笔记本中维护一张“理论-实践关联表”，将每一项实践活动与它所支持的理论学习目标对应起来。

4. Key Topic: Materials and Their Properties | 重点专题：材料及其特性

An in‑depth understanding of materials underpins most of the WJEC Engineering syllabus. Year 11 students must be able to classify materials as ferrous metals, non‑ferrous metals, alloys, thermoplastics, thermosetting plastics, composites, and smart materials. They should also be able to relate properties such as tensile strength, hardness, toughness, ductility, malleability, and conductivity to specific applications.

对材料的深入理解是 WJEC 工程课程大部分内容的基础。Year 11 学生必须能够将材料分类为黑色金属、有色金属、合金、热塑性塑料、热固性塑料、复合材料和智能材料，还应能将拉伸强度、硬度、韧性、延展性、可锻性和导电性等特性与具体应用联系起来。

To make this topic memorable, use a ‘Material Detective’ activity where students examine everyday objects—a car body panel, a drinks can, a plastic chair, a smartphone case—and deduce the material based on observable properties and simple tests. Create a large wall display that organises materials by type, with examples and property profiles. Encourage learners to use property terms accurately in exam responses, for example, ‘Aluminium is selected for aircraft bodies because of its high strength‑to‑weight ratio.’

为了让这一课题更容易记忆，可以采用“材料侦探”活动，让学生研究日常物品——汽车车身板、饮料罐、塑料椅、手机壳——并根据观察到的特性和简单测试推断所用材料。创建一个大型墙壁展示，按类型整理材料，附上实例和特性档案。鼓励学习者在答题时准确使用特性术语，例如“选择铝制作飞机机身是因为其具有较高的强度-重量比”。

Deliver a lesson specifically on smart materials such as shape memory alloys, photochromic and thermochromic materials. A simple demonstration using heat‑responsive pigment on a mug or a strip of nitinol that changes shape in warm water hooks students immediately and provides a strong memory anchor for exam recall.

专门安排一节课讲授形状记忆合金、光致变色和热致变色材料等智能材料。用感温颜料涂覆的杯子，或是在温水中变形的一条镍钛诺做一个简单演示，能立刻吸引学生，并为考试回忆提供牢固的记忆锚点。

5. Key Topic: Manufacturing Processes | 重点专题：制造工艺

Manufacturing processes form another core pillar of the WJEC qualification. Learners must be familiar with processes such as casting (sand casting, die casting), forming (forging, bending, rolling), machining (turning, milling, drilling), and joining (welding, soldering, adhesive bonding). They should also understand modern methods like 3D printing and laser cutting, comparing their advantages and limitations to traditional methods.

制造工艺是 WJEC 资格认证的另一个核心支柱。学习者必须熟悉铸造（砂铸、压铸）、成形（锻造、弯曲、轧制）、切削加工（车削、铣削、钻孔）以及连接（焊接、锡焊、粘合剂粘接）等工艺。他们还应了解 3D 打印和激光切割等现代制造方法，并与传统方法比较各自的优缺点。

When teaching manufacturing processes, use video clips and physical samples to illustrate each method. A carousel activity works well: set up stations with example products, photos of machinery, and process flow charts. Have students rotate in small groups, completing a structured worksheet that prompts them to identify the process, the material likely used, and a reason for its selection. This mirrors the type of question they will encounter in the Unit 1 examination.

在教授制造工艺时，使用视频短片和实物样品来说明每一种方法。旋转木马活动效果很好：设置多个站点，分别展示产品实例、机器图片和工艺流程图表，让学生以小组轮换，完成一份结构化的学习单，引导他们识别工艺、可能使用的材料以及选用该工艺的理由。这正好模拟了单元 1 笔试中的典型问题。

For the controlled assessment (Unit 2), teach students how to write a clear production plan. This should include step‑by‑step operations, tools and machinery required, quality control checkpoints, and safety precautions. A template that links each production step to a justification reinforces the analysis skills needed for higher marks.

针对控制性评估（单元 2），要教会学生如何撰写一份清晰的生产计划，包括分步操作、所需的工具和机器、质量控制检查点以及安全预防措施。提供一个将每个生产步骤与其理由相链接的模板，可以强化获得高分所需的分析技能。

6. Key Topic: Electronics and Circuits | 重点专题：电子与电路

The electronics content in WJEC Engineering covers basic circuit theory, components (resistors, capacitors, diodes, transistors, integrated circuits), and practical circuit assembly. Year 11 students should be confident in using Ohm’s Law and calculating resistance, current, and voltage in series and parallel circuits. They must also be able to read circuit diagrams and identify common sensors and output devices.

WJEC 工程中的电子学内容涵盖基础电路理论、元器件（电阻、电容、二极管、晶体管、集成电路）以及实际电路组装。Year 11 学生应能熟练运用欧姆定律，并计算串联和并联电路中的电阻、电流和电压，还必须能够阅读电路图并识别常见的传感器和输出设备。

Begin with a strong conceptual foundation. Use the water‑pipe analogy to explain voltage (pressure), current (flow rate), and resistance (pipe diameter). Then move to practical breadboarding exercises. A sequenced set of tasks—building a simple LED circuit, adding a variable resistor, incorporating a transistor as a switch—helps students gradually build competence and confidence. Always overlay theory with hands‑on measurement using multimeters.

首先建立一个坚实的概念基础。用水管类比来解释电压（水压）、电流（流速）和电阻（管径），然后过渡到实操面包板练习。一系列有序的任务——搭建一个简单的 LED 电路、加入可变电阻、引入晶体管作为开关——能帮助学生逐步建立能力和信心。务必在动手操作的同时，用万用表进行测量来强化理论。

V = I × R

Ohm’s Law must be memorised and practised repeatedly. Provide worksheets that gradually increase in difficulty, from straightforward calculations to multi‑step problems involving circuit analysis. For revision, flip the questioning: give students a solved problem with an error and ask them to diagnose and correct it, which deepens their understanding of the underlying concepts.

欧姆定律 V = I × R 必须牢记并反复练习。提供难度递增的练习题，从直接计算到涉及电路分析的多步问题。复习时，可以翻转提问方式：给学生一个带有错误的已解问题，让他们诊断并纠正，这能加深其对底层概念的理解。

7. Key Topic: Mechanical Systems and Forces | 重点专题：机械系统与力学

Mechanical principles underpin the design and analysis of engineered products. Students need to recognise different types of motion (linear, rotary, oscillating, reciprocating) and understand simple mechanisms including levers, linkages, gears, and cams. The concept of mechanical advantage, velocity ratio, and efficiency should be taught through both calculation and physical models.

机械原理支撑着工程产品的设计与分析。学生需要识别不同类型的运动（直线、旋转、摆动、往复），并理解简单的机构，包括杠杆、连杆、齿轮和凸轮。机械效益、速度比和效率的概念应通过计算和实物模型来教学。

A highly effective approach is to combine Lego Technic or Meccano kits with guided worksheets. Students physically build a gear train and measure input and output speeds to calculate velocity ratio. The formula

Velocity Ratio = Distance moved by effort / Distance moved by load

is easily internalised when they can see the rack and pinion moving. Similarly, reinforce moments using the principle of the lever with a meter rule and masses.

一个非常有效的方法是将乐高机械组或 Meccano 套件与指导性学习单结合。学生动手搭建齿轮系并测量输入与输出速度，以计算速度比。当他们能够亲眼看到齿轮齿条运动时，公式速度比 = 作用力移动的距离 / 负载移动的距离更容易内化。同样，用米尺和砝码来验证杠杆原理，可以强化力矩的概念。

For exam preparation, teach students to annotate diagrams of mechanisms with arrows indicating force, load, and pivot points. Encourage them to use correct technical vocabulary: ‘effort’, ‘fulcrum’, ‘idler gear’, ‘driven gear’. A common pitfall is confusing velocity ratio with mechanical advantage; create a comparison table that highlights when each is used in the context of perfect versus real machines.

在备考时，教学生在机构示意图上标注箭头来表示作用力、负载和支点。鼓励他们使用正确的专业术语：“动力”、“支点”、“惰轮”、“从动齿轮”。一个常见陷阱是混淆速度比和机械效益；可制作一张对比表，强调二者分别在理想机械和真实机械背景下的应用。

8. Assessment Strategies and Exam Preparation | 评估策略与备考指导

Success in the WJEC Engineering examination is built on two pillars: accurate subject knowledge and the ability to apply it in unfamiliar contexts. Formative assessment should be embedded in every lesson. Use mini‑whiteboards, quick‑fire questioning, and low‑stakes quizzes to check for misconceptions before they crystallise. For summative practice, schedule regular past‑paper questions under timed conditions.

WJEC 工程笔试的成功建立在两大支柱上：准确的学科知识，以及将其应用于陌生情境的能力。形成性评估应嵌入每一节课。使用小白板、快速问答和低风险测验，在误解固化之前加以纠正。对于终结性练习，应定期安排限时完成的历年真题。

Pay particular attention to the longer 6‑ and 8‑mark questions. These typically require students to discuss advantages and disadvantages, justify a choice, or evaluate a design. A useful structure is the ‘PEEL’ paragraph: Point, Evidence, Explanation, Link. Provide sentence starters such as ‘One advantage of using stainless steel for this component is…’ and ‘This is important because…’. Model answers should be deconstructed in class so that learners see what gains full marks.

要特别注意 6 分和 8 分的较长时间题。这些题目通常要求学生讨论优缺点、证明一个选择，或评价一项设计。一个有用的结构是“PEEL”段落：观点、证据、解释、连接。提供诸如“使用不锈钢制造该部件的一个优点是……”以及“这很重要，因为……”之类的句式开头。应在课堂上拆解样卷答案，让学习者清楚地看到如何获得满分。

Create a revision timetable that interleaves topics rather than blocking them. For instance, mix a materials session with an electronics calculation drill, followed by a mechanisms sketching exercise. This interleaved practice has been shown by cognitive science to improve long‑term retention. Additionally, produce a ‘Common Exam Errors’ poster for your classroom, populated with real examples from mock exams (anonymised), so that the whole class learns from past mistakes.

制定一份交错安排课题而非集中主攻的复习时间表。例如，将一节材料课与一次电子学计算练习混合，再进行一次机构草图绘制练习。认知科学研究表明，这种交错练习能提高长期记忆。此外，可在教室中制作一张“常见考试错误”海报，填入模拟考中的真实例子（匿名处理），让全班同学从过往错误中学习。

9. Using Project‑Based Learning | 项目式学习的运用

Project‑based learning (PBL) aligns naturally with the ethos of the WJEC Engineering award. A well‑designed project—such as designing and making a small automaton, a phone stand, or a mechanical toy—can integrate multiple learning outcomes across materials, manufacturing, and mechanics. The project becomes the vehicle through which theory is applied, rather than an add‑on after teaching.

项目式学习与 WJEC 工程资格认证的理念天然契合。一个精心设计的项目——例如设计与制作一个小型自动机、一个手机支架或一个机械玩具——可以将材料、制造和力学等多个学习目标整合在一起。项目成为应用理论的载体，而不是教学结束后的附加任务。

To manage PBL within the constraints of a typical timetable, structure the project in clear phases: research and design, planning, making, testing, and evaluation. Each phase can be linked to a specific assessment objective. For example, the research phase develops skills for Unit 1, while the making phase directly prepares students for Unit 2. Provide a project logbook where learners record decisions, sketches, calculations, and reflections, mirroring the documentation required in the controlled assignments.

在典型课时的限制下管理项目式学习，应将项目分成明确的阶段：调研与设计、规划、制造、测试和评价。每个阶段都可关联到一个特定的评估目标。例如，调研阶段培养单元 1 的技能，而制造阶段则直接为单元 2 做准备。提供一个项目日志，让学习者记录决策、草图、计算和反思，这正好模拟了控制性评估所要求的文档记录。

Peer critique sessions are invaluable during a project. Use the ‘I like, I wonder, What if…’ protocol to keep feedback constructive. Not only does this improve the product, but it also teaches students to evaluate against design criteria, a skill directly tested in the examination. At the end of the project, celebrate outcomes with a mini exhibition, which motivates learners and helps them see the real‑world relevance of their work.

项目进行期间，同伴评议环节非常有价值。使用“我喜欢……我好奇……如果……会……”的协议来保持反馈的建设性。这不仅能改进产品，还能教会学生根据设计标准进行评价，这恰恰是考试中考查的技能。项目结束时，可通过一个小型展览来庆祝成果，这能激励学习者，并帮助他们看到自己作品的实际意义。

10. Health and Safety in the Engineering Classroom | 工程课堂中的健康与安全

Health and safety is not a standalone topic but an embedded culture that must permeate every engineering lesson. WJEC explicitly assesses learners’ ability to recognise hazards, assess risks, and apply control measures both in the exam and during practical tasks. Begin the year with a comprehensive safety induction, and reinforce it weekly through ‘safety spotlights’—short discussions focused on one piece of equipment or procedure.

健康与安全不是一个独立的课题，而是必须渗透到每一节工程课中的嵌入式文化。WJEC 在笔试和实践任务中明确评估学习者识别危险、评估风险以及应用控制措施的能力。学年初应进行全面的安全告知，并通过每周的“安全焦点”——针对一件设备或一个程序的简短讨论——来不断强化。

Develop a set of standard operating procedures (SOPs) for commonly used machines such as pillar drills, bandsaws, and soldering irons. Display these as laminated cards next to the equipment, and require students to read them before use. Role‑play emergency scenarios so that learners know exactly how to respond to a fire, a chemical spill, or an injury. This preparation not only ensures compliance but also reduces anxiety and builds a responsible workshop culture.

为常用的机器如台钻、带锯和电烙铁制定一套标准操作程序，并将其制成塑封卡片挂在设备旁，要求学生使用前阅读。通过角色扮演紧急情境，让学习者清楚知道如何应对火灾、化学品泄漏或人员受伤。这种准备不仅确保合规，还能减少焦虑，建立负责任的车间文化。

Encourage students to carry out their own risk assessments for practical activities as part of their planning. A simple template with columns for ‘Hazard’, ‘Who is at risk?’, ‘Risk level (Low/Medium/High)’, and ‘Control measures’ works perfectly. This document can then be included in the controlled assessment portfolio as evidence of thorough planning and high‑level thinking.

鼓励学生在计划阶段对实践活动进行自我风险评估。一个包含“危险”、“谁面临风险？”、“风险等级（低/中/高）”和“控制措施”栏目的简单模板就非常适用。这份文件随后可作为完整规划和高阶思维的证据，纳入控制性评估档案。

11. Differentiation and Inclusion | 差异化教学与包容性

Engineering classes typically contain a wide range of prior attainment, from students who struggle with basic numeracy to those with strong STEM backgrounds. Effective differentiation ensures that every learner can access the curriculum and make progress. This can be achieved through tiered worksheets, strategic grouping, and the use of scaffolding tools such as writing frames, key word glossaries, and partially completed circuit diagrams.

工程课堂中学生的先备知识水平往往差异很大，从基础计算有困难的学生到 STEM 背景深厚的都有。有效的差异化教学能确保每一位学习者都能参与课程并取得进步。这可以通过分层练习纸、战略性分组，以及运用写作框架、关键词词汇表和部分完成的电路图等支架工具来实现。

For students with special educational needs, consider how instructions are delivered. Pair verbal explanations with visual demonstrations and provide checklists for complex multi‑step tasks. The use of colour‑coding—for example, red for cutting operations, green for measurement, blue for assembly—can help students with organisational difficulties to sequence their work correctly. Additionally, utilise assistive technologies where appropriate, such as screen readers for reading technical texts or voice‑recording devices for capturing design ideas.

对于有特殊教育需求的学生，要考虑如何传递指令。将口头讲解与视觉演示相结合，并为复杂的多步任务提供检查清单。使用颜色编码——例如，红色代表切割操作，绿色代表测量，蓝色代表装配——可以帮助有组织困难的学生正确地安排工作顺序。另外，在适当的时候利用辅助技术，比如用屏幕阅读设备阅读技术文本，或用录音设备记录设计想法。

Stretch the more able students by introducing extension tasks that require higher‑order thinking. Ask them to compare the life‑cycle analysis of two materials, to calculate the efficiency of a compound gear train, or to critique an existing product against a detailed specification. Promoting a growth mindset is also vital; celebrate effort and problem‑solving strategies as much as correct answers.

通过引入需要高阶思维的拓展任务来提升能力较强的学生。让他们比较两种材料的生命周期分析，计算复合齿轮系的效率，或对照详细规格评判现有产品。培养成长型思维同样至关重要；既要赞许正确答案，也要表扬努力和解决问题的策略。

12. Resources and Further Support | 资源与进一步支持

Building a rich bank of teaching resources saves time and enhances learning. The WJEC website provides the specification, sample assessment materials, and examiners’ reports—these should be your constant reference points. Supplement these with high‑quality textbooks, such as the ‘WJEC Vocational Award Engineering Level 1/2’ by Mike Tooley, and interactive simulations from websites like ‘PhET Interactive Simulations’ for circuit building.

建立丰富的教学资源库能节省时间并促进学习。WJEC 网站提供了课程大纲、样卷以及考官报告——这些应成为你持续参考的依据。再辅以高质量的教材，如 Mike Tooley 编写的《WJEC Vocational Award Engineering Level 1/2》，以及来自“PhET Interactive Simulations”等网站的电路搭建互动模拟程序。

Join online communities for Engineering teachers. The ‘STEM Learning’ platform offers CPD courses and a forum where educators share lesson plans, workshop ideas, and assessment materials. Social media groups, particularly on Facebook and X (formerly Twitter), have active WJEC engineering teacher communities where you can ask questions and exchange resources. Local colleges and university outreach programmes often run engineering challenges that can enrich your curriculum.

加入工程教师的线上社群。”STEM Learning” 平台提供继续专业发展课程和一个论坛，教师们在此分享教案、车间创意和评估材料。社交媒体群组，尤其是在 Facebook 和 X（前身为 Twitter）上，有活跃的 WJEC 工程教师社群，你可以在那里提问和交流资源。本地学院和大学的推广项目也经常举办工程挑战赛，可以丰富你的课程内容。

Finally, do not underestimate the power of industry links. Invite local engineers to give talks or host video calls. Organise a trip to a manufacturing facility or a design studio. These real‑world connections bring the curriculum to life and inspire students to see the breadth of engineering careers available to them. Many companies are willing to support schools with materials, mentorship, and work experience placements, so be proactive in reaching out.

最后，不要低估行业联系的力量。邀请当地工程师举办讲座或主持视频通话。组织参观制造工厂或设计工作室。这些真实世界的联系能将课程内容生动呈现，并激励学生看到他们可获得的广阔工程职业前景。许多企业愿意为学校提供材料、导师指导和工作实习机会，因此要积极建立联系。

Published by TutorHao | Engineering Revision Series | aleveler.com

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Year 11 WJEC Engineering: Teaching Suggestions and Lesson Plan Sharing | Year 11 WJEC 工程：教师教学建议与教案分享