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Environmental Health Institute - July, 2006 University of Rochester Medical Center i Can’t Hear You David R. Kleehammer Brockport High School • • • • An ear An iPod A cochlea and Pete Townsend Environmental Health Environmental Health studies how the environment influences human health and disease Environment Environment includes: • Natural Environment • Man-Made Environment • Social Environment Noise Pollution • Noise pollution is a result of sources from our man-made, natural and social environment. Personal Media Devices • MP3 players, iPods, and other types of personal media devices are of particular concern Causes of Concern • MP3 players are ubiquitous and seemingly omnipresent • Overuse…Over-exposure…Duration • They are played too LOUDLY • Ear buds put source of sound directly into ear opening Effects… • Hearing Damage • Hearing Loss Purpose • Raise student’s awareness of health risks associated with noise pollution in general and MP3 players in particular • Uses a modified “jigsaw” methodology Learning Objectives • Sources of noise pollution • Effects of Noise pollution • Symptoms of Hearing Damage • Types of Hearing Loss • Physiological mechanism of hearing damage • Alternatives for safe use of MP3s • Persuasive Report on risks and alternatives NY State Learning Standards Standard 4, Key Idea 1, Performance Indicator 1.2, Major Understanding 1.2d: If there is a disruption in any human system, there may be a corresponding imbalance in homeostasis Also… • Standard 4, Key Idea 5: Organisms maintain a dynamic equilibrium that sustains life • Performance Indicator 5.2: Explain disease as a failure of homeostasis • Major Understandings 5.2a, 5.2h, 5.2j • Various Standard 1 Key Ideas, Performance Indicators and Major Understandings Prerequisites • Ability to work in small and large groups • Brainstorming techniques Procedure • Class Timeline: 1-3 periods • Equipment and Supplies: – Chart paper – Markers – set of articles (provided) – text Activity Instructions • Groups of 3-4 students • Brainstorm “noise pollution” • Categorize onto ‘cause and effects’ sheet • Share responses with class until… …tah dah… • Someone mentions iPods… iPods are banned! New Board of Education Policy: Effective immediately all MP3 style devices are banned from the all schools in our district. The Challenge… Develop a brief presentation explaining this policy to the incoming freshman class: • health risks associated with MP3 players • reasons why this ban is reasonable Details… • In groups, read the provided articles and find justification for this ban • Each group will share their presentation with the class • The class will choose ONE group to be used to actually address the freshmen Time allotted • Schedule one class period for - Reading - Research - Writing • Schedule one additional class period for group presentations and discussion