Devices: generator, electromagnetic relay, and transformer.
Learning objectives that are achieved at
this lesson(Subject Programme reference)
Learners can infer from appropriate
experiments on electromagnetic induction that a changing magnetic flux can
induce an e.m.f in a circuit
10.4.2.3 – to explain the
operating principle of electromagnetic devices (electromagnetic relay,
generator and transformer);
Students will have achieved the objective
if they are able to:
-explain the operating principle of
electromagnetic devices (electromagnetic relay, generator and transformer);
Learners can use a simple demonstration to
explain the factors affecting the size and direction of the induced e.m.f in
Subject-specific vocabulary &
Useful sets of phrases for dialogue and
-There is an induced e.m.f in the coil
-The size of the induced e.m.f increases
-The direction of the induced e.m.f will
Values instilled at
Respect for other’s opinions. Group work.
Problem-solving skills. Communication skills.Working with potentially
harmful apparatus will help students develop a responsible attitude. And
working in pairs and/groups encourages friendliness. Communication skills are
encouraged by working with a partner and answering questions.
Lifelong learning of the topics today by
applying their knowledge this day for their SET, SAT, final external
summative examination and other examinations they will take in the future.
Calculations using engineering calculatorsAsk the students to do further reading on the topic from
the internet, especially from the Institute of Physics and PhET Colorado
·magnetic fields; representation of fields by field lines; fields
of permanent magnets and relationship between magnetic field and current in
·electrical equations: V = IR, P = IV
· magnetic fields; flux density and the tesla
Course of the Lesson
stages of the lesson in Minutes.
activities at the Lesson
00 – 10
-Introduces the topic of day and spells out
the learning outcomes they will possess after the study.
-Acquaint students with the following issues:
•The theme of the lesson
objectives of the lesson
of success for the lesson
•The plan of
events for the lesson
•Pre-teach the subject specific vocabulary.
•Share their experiences with the operations of magnetic relays,
generators, and transformers.
-Introductory material and learning
outcomes are displayed on the screen and/or table.
-Cambridge Endorsed and Recommended
-Institute of Physics, Bilimland, Twig, and
PhET Colorado websites.
-Smart, white, and chalk boards-You-Tube
and Virtual Physical Laboratory simulations.
11 - 70
•Describes, discuses, and explains the principles of the
operations of the generator, electromagnetic relay, and transformer.
videos and animations to explain the principles of the operations of
to perform tasks with use of animations and video footage.
questions on a worksheet
•Discuss their experiences with electromagnetic induction and its
•Demonstrate and explain the principles of the operations of
electromagnetic devices in groups/pairs
•Perform tasks with use of animations and video footage.
their observations and conclusions findings.
questions about the videos.
•Attempt questions on the worksheet
Calculation of induction:
Video showing the induction heating:
This animation compares a simple a.c.
generator using slip rings with a simple d.c. generator using a split-ring
This animation is useful when explaining
how a simple a.c. generator works:
Useful video showing the operational
principle of transformers:
71 - 80
•Highlights key concepts, definitions, and equations learnt using
the concept map.
to do questions on the worksheet provided.
•Looks forward to the next lesson.
•Attempt the questions given by the teacher.
main concepts, definitions, and equations learnt.
their own learning.
•Evaluate their own work and the work of their classmates.
•Complete the flipped reading and research assignment before the
•Complete the specified thinking tasks for this lesson.
uses concept map and worksheet or any other CLIL strategy.
•What has been learnt?
•-What is necessary to work on?
What can I:
-Students to summarize main ideas, evaluate
class processes, answer questions posed at the beginning of the lesson, and
link both to the past and the future
– how do you plan to give more support? How do you plan to challenge the more
– how are you planning to check students’ learning?
and safety regulations
Review the previous lesson.
Revise the topic on key terms used in
magnetism benefit of the weak learners.
-To derive the following formula:
Checking Students’ Learning:
-Using observation and the Question-Answer
strategies at the start, during, and at the end of the lesson.
-Using the computer generated and/or
-Using self, peer, and group feedback,
onlinequizzes, and formative assessments.
-Checking the quality of their work and
understanding from their notebooks, whiteboard work, answers on the active
board, group presentations and discussions, developed posters, and responses
on the worksheets.
Follow all standard laboratory procedures,
rules, and regulations in the Schools’ Laboratory Safety Guide and to remain
safety conscious always
the lesson objectives/learning objectives realistic? Did all learners achieve
my planned differentiation work well?
I stick to timings?
changes did I make from my plan and why?
Use the space below to reflect on your lesson. Answer
the most relevant questions from the box on the left about your lesson.
What two things
went really well (consider both teaching and learning)?
What two things
would have improved the lesson (consider both teaching and learning)?
What have I learned from this lesson about the class orachievements/difficulties
of individuals that will inform my next lesson?
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Grade 10 Lesson plan
Previous Learning · magnetic fields; representation of fields by field lines; fields of permanent magnets and relationship between magnetic field and current in conductors ·…
Perform tasks with use of animations and video footage
Teacher: • Highlights key concepts, definitions, and equations learnt using the concept map
Follow all standard laboratory procedures, rules, and regulations in the