Lesson Plan Final Demo mpc

Bulacan State University College of Industrial Technology Malolos, Bulacan FINAL DEMONSTRATION LESSON PLAN AT 215 Gasoline Engine Fundamentals

FERRERAS, JOHN PATRICK L. Student Teacher

I.

February 26, 2014 BIT 1-N

Objectives A. General objective To understand Automotive Ignition System B. Specific Objectives At the end of the lesson, the students should be able to: 1. Enumerate the parts of Automotive ignition system; 2. Know the function of each parts of ignition system; 3. Give the importance of Automotive Ignition system; and 4. Participate actively in class discussion.

II.

Subject Matter Ignition System Automotive Mechanics by Crouse/Anglin www.autoshop101.com www.wikipedia.com www.howstuffworks.com

III.

Materials A. Ignition system parts B. Laptop C. Projector

IV.

Procedure A. Preparation 1. Prayer 2. Checking of attendance 3. Review 4. Motivation

Motivation: Title of activity: FOUR PICS ONE WORD Procedure: The teacher will show four pictures that will describe one certain idea. The students must observe carefully each picture and one of the student will guess what is described in that four picture showed.

B. Presentation

CONTENTS

OBJECTIVES

STRATEGIES

Ignition system- Its purpose is to ignite the compressed air fuel mixture in the engine combustion chambers. This should occur at the proper time for combustion to begin.

To understand Ignition system

Ignition switch- connects or disconnects the flow of electricity to the ignition system.

To Know the ignition switch

Lecture and discussion

Battery- The battery is a rechargeable device that serves as a power supply for the electrical parts when the engine is stopped. When the engine is running, it stores the used electricity. Ammeter- It is used to measure the ampere rate in the system and used to determine if the battery is charging or discharging. Ballast resistor- controls the current flow to the coil during normal operation. The resistor reduces the voltage available to the coil at low at low engine speeds. It increases the voltage at higher rpm when the voltage requirement increases. Ignition coil- Converts 12v battery voltage to thousands of volts enough to give a powerful spark.

To know the function of battery in Ignition system

Lecture and discussion

To know the function of ammeter

Lecture and discussion

To know the function of Ballast resistor

Lecture and discussion

To know the purpose of Ignition coil

Lecture and discussion

Lecture and discussion

TEACHING AIDS & DEVICES   

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Breaker points/Contact pointsUsed to close or open the primary circuit. As the distributor shaft rotates, it also causes a distributor cam to rotate. The distributor cam causes a small set of points to open and close at each cam lobe position. When the points are closed. The current flow in the primary circuit causes the magnetic field to build up in the coil.

EVALUATION

Laptop Projector Actual parts

Question and Answer

Laptop Projector Actual parts Laptop Projector Actual parts

Question and Answer

Laptop Projector Actual parts

Question and Answer

Laptop Projector Actual parts

Question and Answer

Laptop Projector Actual parts

Question and Answer

Laptop Projector Actual parts Laptop Projector Actual parts

Question and Answer

Question and Answer

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Distributor- are used to distribute the surges of high voltage available to the coil tower.

To understand distributor

Lecture and discussion

High tension wires- are used to connect the high voltage surge to each spark plug. They are arranged in the firing order of the engine.

To know the function of High tension wires

Lecture and discussion

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Question and Answer

Spark plug- provide a predetermined gap within the combustion chamber so that each time a high voltage surge is delivered, a quality spark will occur in the combustion chamber.

To know the purpose and importance of sparkplug

Lecture and discussion

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Laptop Projector Actual parts

Question and Answer

C. Application After the lesson had been discussed, the teacher will choose some students who will go in front and choose their desired part and e xplain its importance and function.

D. Evaluation Identification (5 pts) Directions: Write your answer on the space provided before each number. (1 pt each)  ________1. It delivers a powerful spark to ignite the air and fuel mixture.  ________2. It converts a 12v battery voltage to thousands of volts.  ________3. It stores chemical not electricity.  ________4. It cuts and open the flow of current within the system.  ________5. It delivers surges of high voltage available in the coil tower. Essay (5 pts) Direction: In 3-5 sentences, answer this. 

Explain the function and importance of ignition system.

E. Assignment Materials: Oslo Pencil

Coloring materials Ruler

Direction: In an Oslo paper, draw the ignition circuit diagram and label each parts and connection terminals. References: Automotive mechanics by Crouse/Anglin www.wikipedia.com www.autoshop101.com www.howstuffworks.com