Lesson Plan for Senior Secondary 2 - Auto Mechanical - Transmission System I

**Lesson Plan: Transmission System** **Grade/Year:** Senior Secondary 2 (SS2) **Subject:** Auto Mechanics **Duration:** 90 minutes --- ### **Lesson Objectives:** By the end of the lesson, students will be able to: 1. Understand the basic components and functions of a vehicle transmission system. 2. Identify the differences between manual and automatic transmission systems. 3. Comprehend the role of gear ratios and how they affect vehicle performance. 4. Conduct a basic inspection and diagnostic check on a transmission system. ### **Materials Needed:** - Whiteboard and markers - Multimedia projector and computer - PowerPoint slides or notes on transmission systems - Model transmission system (manual and automatic, if available) - Handouts on key concepts (e.g., diagrams, flowcharts) - Basic tools for inspection (e.g., wrenches, screwdrivers) - Transmission fluid and dipstick examples ### **Lesson Outline:** #### **1. Introduction (10 minutes)** 1. **Greeting and Attendance** (2 min) - Briefly take attendance and greet students. 2. **Introduction to Topic** (3 min) - Show a short video demonstrating the basic function of a vehicle’s transmission system. - Link the video content to how it applies to students' daily lives (e.g., family cars, motorcycles). 3. **Lesson Objectives** (2 min) - Clearly state the objectives for the lesson. 4. **Engage Students** (3 min) - Ask students if they have noticed gear shifting in motorcycles or cars. - Initiate a short discussion on their observations. #### **2. Body (60 minutes)** 1. **Explanation of Transmission Systems** (20 min) - **Manual Transmission:** - Components: clutch, gear stick, gear box. - Overview of how gears are shifted manually. - Advantages and disadvantages. - **Automatic Transmission:** - Components: torque converter, planetary gear set. - Explanation on how gears shift automatically. - Advantages and disadvantages. - Use slides and diagrams to illustrate points. 2. **Gear Ratios and Performance** (15 min) - Explain the concept of gear ratios and their impact on vehicle performance. - Use an example with a simple mathematical calculation to show how gear ratios change with shifting gears. - Discuss why lower and higher gears are used in different driving conditions. 3. **Practical Demonstration** (25 min) - **Inspection Techniques:** - Show students how to conduct a basic visual inspection of a transmission system. - Introduce essential tools and safety equipment. - **Transmission Fluid Check:** - Demonstrate how to check and replenish transmission fluid. - Explain the importance of maintaining adequate fluid levels. #### **3. Conclusion (10 minutes)** 1. **Q&A Session** (5 min) - Open the floor for student questions regarding the day’s lesson. - Address any confusion or elaborate on complex topics. 2. **Recap and Reinforcement** (3 min) - Briefly recap the main points covered in the lesson. - Re-emphasize the importance of understanding the transmission system for future auto mechanics. 3. **Assignment and Closing** (2 min) - Assign a homework task: - Students are to write a short paragraph explaining the main differences between manual and automatic transmissions. - Optionally, assign a practical task where they observe and note gear shifting in family vehicles. - Thank the students and signal the end of the class. ### **Assessment:** - Formative assessment through class participation and Q&A. - Homework assignment for subsequent review. ### **Homework Follow-Up:** - Review and discuss the homework in the next class to reinforce understanding and address any gaps. --- **Note:** Always ensure that any practical session adheres to safety standards and that all students use protective gear where necessary.