<?xml version="1.0" encoding="UTF-8"?>
<tem xmlns="http://www.teachengineering.org/tem/elements/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.teachengineering.org/tem/elements/1.0/ http://www.teachengineering.org/schemas/tem.xsd"><identifier>http://www.teachengineering.org/view_lesson.php?url=collection/cub_/lessons/cub_biomed/cub_biomed_lesson06.xml</identifier><docType>lesson</docType><format>text/xml</format><language/><title>My Mechanical Ear Can Hear!</title><creator>Integrated Teaching and Learning Program, </creator><keywords><keyword>adaptive device</keyword><keyword>ear</keyword><keyword>bioengineering</keyword><keyword>biomedical</keyword><keyword>biomedical device</keyword><keyword>biomedical engineering</keyword><keyword>hearing</keyword><keyword>biotechnology</keyword><keyword>body</keyword><keyword>disability</keyword><keyword>hear</keyword><keyword>hearing</keyword><keyword>hearing aid</keyword><keyword>hearing impairment</keyword><keyword>human</keyword><keyword>human body</keyword><keyword>impairment</keyword><keyword>implant</keyword><keyword>nervous system</keyword><keyword>physical disability</keyword><keyword>senses</keyword><keyword>sensory system</keyword><keyword>sound</keyword></keywords><vocabulary><word>adaptive (or assistive) device</word><word>amplifier</word><word>biomedical engineering</word><word>conductive hearing loss</word><word>inner ear</word><word>microphone</word><word>middle ear</word><word>outer ear</word><word>physical disabilities </word><word>receiver</word><word>sensorineural hearing loss</word></vocabulary><summary>Students are introduced to various types of hearing impairments and the types of biomedical devices that engineers have designed to aid people with this physical disability.</summary><engrConnection>
		
			
				Engineers have designed many types of hearing-aid devices to target specific hearing problems — from the most familiar outer-ear hearing aids, to tiny devices that are surgically implanted in the inner ear. Materials, circuits, programs and comfort are addressed by teams of engineers who design products that help young and old people regain the use of a very important sense.
			
		
	</engrConnection><learningObjectives><learningObjective>Explain the process of hearing and identify ways in which hearing can be lost.</learningObjective><learningObjective>Explain how hearing aids are used, how they have been designed to address different hearing problems, and describe their different components.</learningObjective><learningObjective>Identify the types of engineers who design these devices, be able to describe the difficulties with each design, and suggest possible solutions.</learningObjective></learningObjectives><timeRequired unit="minutes">25</timeRequired><publisher>TeachEngineering.org</publisher><contributors><contributor>Lesley Herrmann</contributor><contributor>Jessica Todd</contributor><contributor>Emily Weller</contributor><contributor>Sara Born</contributor><contributor>Malinda Schaefer Zarske</contributor><contributor>Denise W. Carlson</contributor></contributors><requirements><requires>http://www.teachengineering.org/collection/cub_/lessons/cub_biomed/cub_biomed_lesson06_worksheet.pdf</requires><requires>http://www.teachengineering.org/collection/cub_/lessons/cub_biomed/cub_biomed_lesson06_worksheet.doc</requires><requires>http://www.teachengineering.org/collection/cub_/lessons/cub_biomed/cub_biomed_lesson06_worksheetas.pdf</requires><requires>http://www.teachengineering.org/collection/cub_/lessons/cub_biomed/cub_biomed_lesson06_worksheetas.doc</requires><requires>http://www.teachengineering.org/collection/cub_/lessons/cub_biomed/cub_biomed_lesson06_visualaid4teachers.pdf</requires><requires>http://www.teachengineering.org/collection/cub_/lessons/cub_biomed/cub_biomed_lesson06_visualaid4teachers.doc</requires></requirements><references><reference>http://inventors.about.com/od/hstartinventions/a/deaf_4.htm </reference><reference>http://inventors.about.com/od/hstartinventions/a/deaf_3.htm </reference><reference>http://www.ahaanet.com/hearing-aid-styles.html</reference><reference>http://www.hearingaids101.com/how-hearing-aids-work.aspx </reference><reference>http://www.merck.com/mmhe/sec19/ch218/ch218a.html </reference><reference>http://www.patentstorm.us/patents/7344491/description.html </reference></references><eduStandards><eduStandard><id>S11417F6</id><locale>International_Technology_Education_Association-ITEA_STL_Standards</locale><type>Technology</type><description>E. Technological advances have made it possible to create new devices, to repair or replace
certain parts of the body, and to provide a means for mobility.
</description><lowgrade>3</lowgrade><highgrade>5</highgrade></eduStandard><eduStandard><id>S114255B</id><locale>Colorado</locale><type>Science</type><description>d. Create and evaluate models of human
body systems and organs
</description><lowgrade>5</lowgrade><highgrade>5</highgrade></eduStandard></eduStandards><geoCoverage>United States</geoCoverage><rights>Copyright 2012 - Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder</rights><rights>http://www.teachengineering.org/policy_ipp.php</rights><isPartOf>http://www.teachengineering.org/</isPartOf><created type="W3CDTF">2012-01-19</created><gradeLevel lowerbound="4" upperbound="6">5</gradeLevel><audience>Teacher</audience></tem>

