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