Division on Visual Impairments

DVI Quarterly Volume 58(1)

A quarterly newsletter from the Council for Exceptional Children's Division on Visual Impairments containing practitioner tips for Teachers of Students with Visual Impairments, Certified Orientation and Mobility Specialists, and other professionals.

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Stretch the rubber bands around the containers and pluck them to hear sounds. Metal coat hangers with a string tied on the opposite sides of the bottom. Hold the strings and bang the hangers into tables, chairs, etc. and listen to the sound. Next, wrap each string around a finger, stick the fingers in your ears and repeat banging the hanger onto assorted surfaces. The sound will be greatly magnified. thrown away to their mouth and talks, stretch the string taunt for best transmission. Assorted sizes of caruga tubeswhirl them around in the air to produce sound Assorted sizes of PCV pipe to thump. If smaller pipes are inserted into a larger pipe, the pitch can be modulated by sliding the smaller pipe back and forth while thumping the whole apparatus. Safety caution: Make sure that adequate space is available for swinging the tubes so that students do not harm each other See this You Tube video: Blue Men Drum Bone http://www.youtube.com/watch?v=a EWEHJuowLA&feature=related Optional task cards for students. Can you make sounds with the materials provided? Record on a Tchart what you used and how you made the sound. Gather four items that make sound and rank them on a flow chart; label your ranking method. What if you could not hear as well as everybody else? Put ear plugs in your ears and repeat one of the activities. How was your experience different or the same? Record your findings on a Venn diagram. How many ways can you change the sounds that objects make? Record what you did and how the sound was different. Get a timer, what can you do to make the sound louder? Softer? Compare your results to someone else's and make a comparison chart. What sounds can you hear inside of your body? Does everyone's body make the same sounds? Make a table to show what you found out. Does sound travel better through air, water, or solids? Prove what you think and write a persuasive summary. Do rubber bands make the same sound? Prove what you think. Find supporting evidence in a book. How do caruga tubes make sound? Draw a diagram to show your thinking. Dr. Margilee P. Hilson • The Ohio State University • Autumn Semester 2012

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