Demonstration

A concrete experience that can be considered as advanced organizer for structuring subsequent information and activities into a meaningful, instructional framework for students.

Function:

1. Initiating thinking

2. Illustrating a concept, principle or point

3. Answering a question

4. Reviewing ideas

5. Introducing and concluding units

Step:

1. Planning a demonstration

- Materials and apparatus

- Ensuring visibility

- Focusing student’s attention

- Trying out the demonstration beforehand

2. Presenting a demonstration

- Introduction

- Presentation

- Conclusion

Advantages:

ü An exciting event

ü Can involve all students in attempting to answer question or in observing an event

ü Use of concrete material

ü Student thinking can be focused directly on the intended learning outcomes

ü Teacher conducts activities that are dangerous

ü Save time

Disadvantages:

ü Visibility always a problem

ü Students often miss the point

ü Difficult to maintain students’ interest

ü Students become uninvolved in the demonstration and misunderstand its purpose