Lesson Plan
Date
: 24-06-2005
Teacher
:
Dr. S S Tong
Class
:
S.4
Location
: Heung To Middle School
Subject
:
HKCEE-Physics
Topic
:
Modern transportation
Aim
: Using contextual themes of car engines, hybrid cars and Magnetic Levitated Train to introduce the concepts of
mechanics and magnetism.
Objectives
: 1.
2.
3.
4.
Time
15 minutes
25 minutes
Let students appreciate how physics and technology have changed our ways of living.
Enhance students' understanding of modern technologies in transportation, including hybrid technology and magnetic levitation.
Use contexts of modern transportation to introduce the concepts of electromagnetic induction and its application.
Use the context of MagLev train in Shanghai to help students review concepts and solve problems in mechanics.
Section
Teaching Activities
Expected Learning Outcomes
Overview of transportation
in Hong Kong and different
car engines
1.
Showing different kinds of transportation
in Hong Kong and their energy efficiency.
1. Students more aware of the uses of energy in
their daily life.
2.
Showing animations and explaining the
operations of common petrol engine and
diesel engine.
2. Appreciation on applications of technology in
the modern society.
Hybrid technology in cars
1. Demonstration of models of generator and
motor.
1.
2. Introduction of commercial hybrid cars and
their operation.
2.
3. Explanation of hybrid technology and their
implications on energy efficiency.
3.
25 minutes
Magnetic Levitated Train
1. Showing videos and animations on the
applications of magnetic levitation.
2. Brief introduction of magnetic levitation,
its feedback and prolusion mechanisms.
Hands-on experience of using a generator
model and reverse operation of a motor as a
generator.
Understanding the physics behind the hybrid
technology (electromagnetic induction,
operation of motor and generator).
Knowing new technology of energy saving in
transportation.
1. Appreciate the design of MagLev trains.
2. Understanding some concepts of magnetism
and feedback mechanism.
3. Review of mechanics concepts and training of
3. Mechanics exercises using a real context of
analytical skills.
Shanghai MagLev.