### Lesson Plan: Plumbing for Domestic Water Supply
#### Junior Secondary 3 (Grade 9)
---
**Lesson Title:** Introduction to Plumbing for Domestic Water Supply
**Subject:** Basic Technology
**Grade Level:** Junior Secondary 3
**Duration:** 60 minutes
**Learning Objectives:**
1. Understand the basic concept of plumbing.
2. Identify the tools and materials used in domestic plumbing systems.
3. Understand the components and layout of a typical domestic water supply system.
4. Appreciate the importance of proper plumbing for health and safety.
**Materials Needed:**
- Whiteboard and markers
- Projector and laptop
- Sample plumbing tools (wrench, pipe cutter, sealant, etc.)
- PVC pipes, connectors, and fittings
- Diagram of a domestic water supply system
- Worksheets and handouts
---
### Lesson Outline
**1. Introduction (10 minutes)**
- **Greeting and Attendance:**
- Greet the students and take attendance.
- **Icebreaker:**
- Ask students if they know what plumbing is and if they've seen plumbing items at home.
- **Objective Overview:**
- Explain what will be covered during the lesson.
**2. Video/Presentation (10 minutes)**
- Show a short video or PowerPoint presentation explaining plumbing, focusing on domestic water supply systems.
**3. Discussion (15 minutes)**
- **Components Discussion:**
- Introduce the basic components of a domestic water supply system (water source, pipes, valves, fixtures, etc.).
- Show actual tools and materials used in plumbing.
- **Interactive Questions:**
- Discuss why proper plumbing is necessary (hygiene, safety, efficiency).
**4. Hands-On Activity (15 minutes)**
- **Group Activity:**
- Divide the students into small groups and give each group some PVC pipes, connectors, and fittings.
- Challenge them to assemble a basic water supply layout based on a given diagram.
- **Supervision and Guidance:**
- Walk around the classroom to help and guide the groups as needed.
**5. Worksheet/Assessment (5 minutes)**
- Hand out worksheets with questions about the day's lesson.
- **Quiz Sample Questions:**
- List three tools used in plumbing.
- Why is it important to have a proper plumbing system in a house?
- Draw and label a simple diagram of a domestic water supply system.
**6. Review and Q&A (5 minutes)**
- Review the main points of the lesson.
- Answer any questions the students may have.
- Give feedback on group activities and worksheets.
**7. Conclusion and Assignment (5 minutes)**
- Summarize the key takeaways.
- Assign homework to research on how to fix minor plumbing issues (like a dripping tap) or to interview a plumber about their job.
- Thank the students for their participation and dismiss the class.
---
### Assessment and Evaluation
- **Participation:** Observe students’ engagement during discussions and activities.
- **Practical Activity:** Evaluate the group’s performance in assembling the water supply layout.
- **Worksheet:** Review the answers to assess understanding of the topic.
---
### Additional Resources
- **Books:**
- "Basic Plumbing Services Skills" by TAFE NSW.
- **Websites:**
- Home Repair Tutor (home improvement tutorials)
- DIY Network (home improvement resources)
---
### Reflection
- Reflect on the students’ understanding and adjust future lessons based on what worked well and what did not.
- Consider incorporating more hands-on practice if necessary.
---
By the end of this lesson, students should have a foundational understanding of domestic plumbing systems, recognize the tools and materials required, and have an appreciation for maintaining a functional and safe domestic water supply system.