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Secondary School Lesson Notes and Scheme of Work

SS2 Third Term Air Conditioning And Refrigeration Lesson Note and Scheme of Work

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SS2 Third Term Air Conditioning And Refrigeration Lesson Note and Scheme of Work


Title: Exploring the World of Air Conditioning and Refrigeration: SS2 Third Term Lesson Plan


Welcome back to another exciting term, where we delve into the fascinating realm of air conditioning and refrigeration. In this detailed lesson plan and scheme of work, we’ll cover weeks one through thirteen, with engaging activities to enrich your learning experience.


Week 1: Introduction to Air Conditioning and Refrigeration


Introduction to basic concepts and principles

Differentiate between air conditioning and refrigeration

Discuss the importance of these systems in daily life

Week 2: Components of Refrigeration Systems


Study the components: compressor, condenser, evaporator, expansion valve

Understand the function of each component

Demonstration: Disassembling and identifying parts of a refrigeration system

Week 3: Types of Refrigerants


Explore different types of refrigerants and their properties

Discuss environmental concerns and regulations regarding refrigerants

Experiment: Testing refrigerants for efficiency and environmental impact

Week 4: Refrigeration Cycle


Learn about the four stages of the refrigeration cycle

Illustrate the cycle using diagrams and animations

Hands-on activity: Building a simple refrigeration cycle model

Week 5: Air Conditioning Systems


Introduction to different types of air conditioning systems: split, window, central

Compare and contrast their features and applications

Field trip: Visit to a local HVAC company to observe various air conditioning systems

Week 6: Heat Load Calculation


Understand the concept of heat load and its significance in system design

Learn methods for calculating heat load for residential and commercial spaces

Practical exercise: Conducting heat load calculations for different scenarios

Week 7: Refrigeration System Design


Study the principles of refrigeration system design

Discuss factors influencing system design: capacity, efficiency, space constraints

Group project: Designing a refrigeration system for a specific application

Week 8: Maintenance and Troubleshooting


Importance of regular maintenance in ensuring system efficiency and longevity

Learn common issues and troubleshooting techniques

Hands-on workshop: Performing maintenance tasks on a refrigeration system

Week 9: Energy Efficiency in HVAC


Explore strategies for improving energy efficiency in HVAC systems

Discuss the role of technology advancements in enhancing efficiency

Guest speaker: Energy efficiency expert presentation and discussion

Week 10: Advanced Topics in Air Conditioning and Refrigeration


Explore advanced topics such as variable refrigerant flow (VRF) systems and green refrigeration technologies

Discuss future trends and innovations in the field

Research project: Investigating a specific advanced technology and its implications

Week 11: Revision Week


Review key concepts and topics covered throughout the term

Practice with past exam questions and quizzes

Peer teaching sessions: Students present topics to their classmates for reinforcement

Week 12: Examination Week


Final examinations covering all material from the term

Emphasis on understanding concepts and problem-solving skills

Practical examination: Hands-on tasks to assess application of knowledge

Week 13: School Dismissal Week


Reflect on the term’s learnings and accomplishments

Celebrate achievements with classmates and teachers

Farewell activities and wishes for a restful break.

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