Topic: Heat Transfer

Desired Outcome: By the end of the sub-strand, the learner should be able to: a) demonstrate the transfer of heat in liquids and gases. b) identify the applications of convection in day-to-day life. c) demonstrate heat transfer by radiation. d) identify applications of radiation in day-to-day life. e) develop an interest in finding out more about convection and radiation.

Level: Fourth Level

Lesson 1: Introduction to Heat Transfer - Define heat transfer and its importance in everyday life. - Discuss the three modes of heat transfer: conduction, convection, and radiation. - Conduct simple experiments to demonstrate heat transfer through conduction. - Assign a small project for students to research and present examples of heat transfer in liquids and gases.

Lesson 2: Convection in Day-to-Day Life - Introduce the concept of convection and its applications in everyday life. - Discuss examples of convection in various scenarios, such as heating systems, cooking, and weather patterns. - Conduct experiments to demonstrate convection in liquids and gases. - Assign a project for students to identify and document examples of convection in their surroundings.

Lesson 3: Heat Transfer by Radiation - Explain the concept of heat transfer by radiation and its significance. - Discuss examples of radiation in everyday life, such as sunlight, cooking, and medical applications. - Conduct experiments to demonstrate heat transfer by radiation. - Assign a project for students to research and present examples of radiation in their daily lives.

Lesson 4: Applications of Radiation in Day-to-Day Life - Explore the various applications of radiation in different fields, such as communication, energy production, and medical imaging. - Discuss the benefits and risks associated with radiation applications. - Conduct a group activity where students brainstorm and present innovative uses of radiation in day-to-day life.

Lesson 5: Review and Assessment - Review the concepts of heat transfer, convection, and radiation. - Conduct a class discussion to clarify any doubts or questions. - Administer a formative assessment to evaluate students’ understanding of the topic.

Lesson 6: Further Exploration of Convection - Encourage students to explore convection in more depth by conducting additional experiments or research. - Provide resources and guidance for students to investigate specific applications of convection. - Facilitate a class discussion where students share their findings and insights.

Lesson 7: Further Exploration of Radiation - Encourage students to delve deeper into the concept of radiation by conducting additional experiments or research. - Provide resources and guidance for students to investigate specific applications of radiation. - Facilitate a class discussion where students share their findings and insights.

Lesson 8: Conclusion and Reflection - Review the key concepts and applications of heat transfer, convection, and radiation. - Allow students to reflect on their learning journey and share any newfound interests or curiosities. - Assign a final project where students can explore a specific aspect of heat transfer, convection, or radiation and present their findings to the class.

Note: The lesson plan can be adjusted based on the specific time constraints and resources available in the Kenyan curriculum.