IMPROVISED AIDS Prepared by Dr. Harikrishnan M & Sajithamol K. CPAS CTE Nedumkandam Kerala
Improvised Aids Definition Oxford (2000) defines improvisation as using whatever is available because one does not have what is really needed. Ibeneme sees it as using alternative materials and resources to facilitate learning whenever there is lack or shortage of some first hand teaching aids. In common language they are home made apparatus to aid teaching
DEFIN I TION The apparatus devised and made in the laboratory workshop or school by the teacher or the pupils is usually called as improvised aids. This increases science learning
Based on the principle of psychology, “ LEARNING BY DOING “
Improvised aids are, Used in the absence of the real, original or delicate objects. Bring about some learning effect that the real or complicated materials.
Materials can be invented or produced from readily available materials within the local environment. Thus it is a n indigenous, curiosity arising homemade apparatus . Many of them are often developed by teachers, students or both of them by mutual cooperation
EX A MP L ES Homemade torch
Ex a m pl e s
Ex a m pl e s Air capacitor
Examples Vacuum cleaner from a plastic bottle Electrical conductivity apparatus Specific heat capacity test
Enthusiastic, resourceful science teacher with some ingenuity and manual skill is necessary.
Valuable and serviceable articles from, Tin cans Wi r e f ro m d i s c a r d ed de v ices, motors, pumps, bolts …… wi r el e ss s e ts , o l d c l ocks, gramophones.
Some of the materials that can be easily made in laboratory , Test tube stands Test tube holders Inclined planes Pulleys Models of pumps Newton's discs Pinhole camera Voltaic cell Electric bell
Importance of Improvised aids Motivation Clarification Attention and interest Discouragement of cramming Direct experience Classroom live and active Increase the vocabulary
Characteristics Meaningful and purposeful Accurate in every aspect Simple Cheap Up-to-date According to the mental level of students Motivate the learners Engross them in work Avoid dullness
AD V ANTAGES Economical (Saves time, money and effort) Develops correlation of work Develops skills in learning Application of science to everyday life Introduce variety into nature of experiments
Continues…… Use of senses to maxima level Fixing and recalling the knowledge Meeting the individual differences Development of scientific attitude Appreciate the works and difficulties of great scientists.