1. TEACHING AIDS The thing which I hear,I may forget. The thing which I hear,I may forget. The thing which I see,I may remember. The thing which I see,I may remember. The thing which I do, I can not forget. The thing which I do, I can not forget. Indian Education Commission, 1964-66 The supply of teaching aids to every school is essential for the improvement of the quality of teaching. It should indeed bring about an educational revolution in the country.

2. The psychology of using Teaching Aids We learn- 1.0% through TASTE 1.5% through TOUCH 3.5% through SMELL 11.0% through HEARING 83.0% through SIGHT

3. . We Remember- 20% of what we HEAR 30% of what we SEE 50%of what we SEE & HEAR 80% of what we SAY 90% of what we SAY &DO

4. OBJECTIVES To make teaching effective To make learning interesting and profitable To quicken the pace of learning To foster the development of knowledge To economize teacher's efforts

5. . To overcome possible hurdles during the act of teaching To add variety & newness to the lesson To simplify the complex phenomena To make teaching interactive To develop inquisitiveness among the learner to learn further

6. Principles in the Use of Audio – Visual Aids Principle of Preparation Principle of Selection Principle of Proper Presentation Principle of Response Principle of Physical Control

7. CHARACTERISTCS Visible & according to local needs Up-to-date Portable & easy Improvised Motivating Simple,Cheep & easily available Meaningful & Purposeful Accurate truthful & Real

8. CLASSIFICATION ProjectedNon-ProjectedActivity Aids FilmsCartoons (Graphic) CCTV Film StripCharts CAI Colored SlidesDiagrams Dramatic Loop (Colored Film Cassette ) Flash Cards Demonstration Slide ProjectorGraphs Experiments EpidiascopeBlack Board (Display) Projects Opaque ProjectorBulletin Board Excursion & Field Trip OHPFlannel Board Programmed Instruction LCDMagnetic Board

9. . Models (3-D) Mockups Objects Puppets Specimens Radio (Audio) Recordings Television Video

10. Relative Effectiveness of Teaching Aids Non-Projected aids Projected aids Direct-experience aids Effective ness Increases Effectiv eness Decreases

11. Non - Projected Model Word, Word, Word - - - VERBAL WHITE CHALK COLOURED CHALK CHART DISPLAY BOARDS MEDOEL STATIC MODEL SECTIONAL WORKING MODEL

12. Projected Aids More Effective Than Non- projected Aids Film strip OHP Motion Picture s A THREE DIMENSIONAL FIGURES EPIDIASCOPE SLIDE PROJECTION B&W COLOURED SLIDES FILM STRIPS PROJECTION – B&W FILM STRIPS PROJECTION – COLDURED OVER HEAD PROJECTORS MOTION PICTURES – SILENT – B&W MOTION PICTURES – SOUND – COLORED Direct Experi ence or most Effecti ve Aids LOOP (CASSETTE) COLOUR FILMS DEMONSTRATIONS TV EXPERIMENTS INDIVIDUAL DOING EXPERIMENTS PROJECTS EXCURSION, FIFLD TRIPS FILM STRIPS PROJECTION – COLDURED