Characteristics of  Teaching Aids /Audio – Visual Aids:

1.                 Reduces verbalism

2.                 Develops imaginative thinking power

3.                 Imparts knowledge through experience

4.                 Learn to use apparatus

5.                 Knowledge imparted through narration

6.                 Save time & interest increases

7.                 Give flow of thoughts

8.                 Useful & proper teaching

9.                 Active Learning

10.            Scientific attitude develops

11.            Self working

12.            Develops curiosity

13.            See things apparently

14.            Comparative study can be done

15.            Learning & understanding becomes permanent

Objectives of Teaching Aids / AV aids

1. To develop lesson & create interests
2. To impart factual knowledge
3. To improve power of retention
4. To make students active
5. To develop interest towards learning
6. To impart education according to their capabilities
7. To develop material which is easy clear and understood
8. To make learning process child centered
9. To develop power of observation
10. To make inanimate objects animate

Television:

1. Combines the features of radio with that of a film
2. Good mode of recreation
3. Termed as ‘ Electronic black board of the future”.
4. To meet the dearth of qualified teachers & equipped laboratory
5. Period should be allotted in the school for watching program relay by doordarshan Kendra