1. It is economical in respect of time, energy and money.

2. As the students are shown the concrete things, it is based on sound psychological principles.

3. It is suitable for all types of students-average, below average and above average.

4. It is very suitable when dangerous experiments are to be conducted.

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5. This method is especially useful when costly and sensitive apparatus is to be handled.

6. The students’ interest is maintained as they are kept engaged in various activities like observing, taking notes, answering questions, preparing diagrams etc.