Lesson Notes By Weeks and Term v3 - Senior Secondary 2

Lesson Video

This page supports the lesson note with a companion video and a short classroom-ready summary.

Performance objectives

• Identify the primary function of an automobile cooling system in preventing engine overheating.
• List at least six major components of a liquid-cooled automobile engine.
• Explain the specific function of each major cooling system component.
• Describe common faults associated with different parts of the cooling system.
• State essential safety precautions to observe when working with or inspecting the cooling system.

Lesson summary

This topic focuses on the critical role of the cooling system in preventing engine damage due to overheating, a common problem in Nigeria's often hot climate and with prolonged vehicle use, especially in heavy traffic conditions. Understanding the cooling system and its components is fundamental for students pursuing Automobile Parts Merchandising, as it directly impacts their ability to identify, source, and sell relevant spare parts effectively. This knowledge is also crucial for advising customers on proper vehicle maintenance and troubleshooting common engine overheating issues.

Evaluation guide

• Observation: The teacher observes student participation in group discussions, their ability to label diagrams, and their engagement during the role-play activity.
• Question and Answer (Q&A): Throughout the lesson, the teacher asks probing questions to check for understanding and clarifies misconceptions.
• Quick Check: A quick "thumbs up/down" or "red/green card" system can be used to gauge overall class comprehension after explaining a key concept.
• Instructions: Answer all questions.
• Identify the main purpose of the cooling system in an automobile. (2 marks)