Unit___: Electromagnets |
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Theme of the lesson |
Electromagnetic devices, |
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Lesson objectives |
recall Faraday’s law of electromagnetic induction, describe the simple model of em relay, explain the mode of operation of a generator, describe a simple transformer and its operation |
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Success criteria |
- the student can how em relay, generator functions. - students can describe the basic function, parts and types of a transformer and the principle behind its operation. |
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Language objectives |
Language learning objective Learners can: explain the operation of various electromagnetic devices. Subject-specific vocabulary & terminology: Magnetic field lines, transformer, coils/turns, conventional current, step-up, step-down, induced emf/current, core, contact, magnetization and demagnetization.
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Values instilled at the lesson |
Develop skills for situation analysis and application type |
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Cross-curricular links |
The development of mathematical literacy through a decision of settlement problems |
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ICT skills |
Use of simulation to show operation of a transformer , magnetic relay and generator. |
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Previous learning
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Knowledge on magnets and magnetic fields is very essential. |
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Course of the lesson |
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Planned stages of the lesson |
Planned activities at the lesson |
Resources Ppt |
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Beginning 5 mins |
Starter: A short preview on the previous lesson. Why do you think it’s important to study Faraday’s law? Discussion
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Middle 15 mins
15 mins |
Teacher and students Shows a short video clip on transformers. And leads the learners into a brief discussion outlining their observation based on the previous learning. He/she then leads learners into a discussion based on their observation and acquired knowledge from the previous learning. Demonstration and Discussion on transformers.
Students attempts the questions on the worksheet provided to assess learning, the teacher scaffolds. |
https://www.youtube.com/watch?v=1_YfuH_AcxQ http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_pre_2011/electric_circuits/mainsproducedrev1.shtml A helpful video showing how transformers work and discussing the underlying physics: http://www.youtube.com/watch?v=ZjwzpoCiF8A
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End 5 mins |
Reinforce the LO’s Answer any questions pupils may have/clarify understanding Reflect on their learning: - What has been learned - What remained unclear - What is necessary to work on
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Differentiation – how do you plan to give more support? How do you plan to challenge the more able learners? |
Assessment – how are you planning to check students’ learning? |
Health and safety regulations |
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Differentiation can be by task, by outcome, by individual support, by selection of teaching materials and resources taking into account individual abilities of learners (Theory of Multiple Intelligences by Gardner). Differentiation can be used at any stage of the lesson keeping time management in mind.
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Use this section to record the methods you will use to assess what students have learned during the lesson. |
Health promoting techniques Breaks and physical activities used. Points from Safety rules used at this lesson. |
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