Specially Designed Sound-Boxes Used by Students to Perform School-Lab Sensorâ??Based Experiments, to Understand Sound Phenomena
Keywords:ICT in education, sensors, MBL, Microprocessor Based Laboratory, physics education, physics teaching, school-lab experiments, sound, sound wave propagation, sound waves reflection, hands-on experiments, data logger, computerised experiment, evaluation and
The research presented herein investigates and records studentsâ?? perceptions relating to sound phenomena and their improvement during a specialised laboratory practice utilizing ICT and a simple experimental apparatus, especially designed for teaching. This school-lab apparatus and its operation are also described herein. A number of 71 first and second grade Vocational-school students, aged 16 to 20, participated in the research. These were divided into groups of 4-5 students, each of which worked for 6 hours in order to complete all activities assigned. Data collection was carried out through personal interviews as well as questionnaires which were distributed before and after the instructive intervention. The results shows that studentsâ?? active involvement with the simple teaching apparatus, through which the effects of sound waves are visible, helps them comprehend sound phenomena. It also altered considerably their initial misconceptions about sound propagation. The results are presented diagrammatically herein, while some important observations are made, relating to the teaching and learning of scientific concepts concerning sound.
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