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Hearing and Hearing Conservation

Hearing and Hearing Conservation. A classroom curriculum for 4 th graders developed by Longwood University Communication Sciences and Disorders for the Farmville Lions. (View “Notes” for information on materials and directions for presentation.)

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Hearing and Hearing Conservation

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  1. Hearing and Hearing Conservation A classroom curriculum for 4th graders developed by Longwood University Communication Sciences and Disorders for the Farmville Lions. (View “Notes” for information on materials and directions for presentation.) Contact Lissa Power-deFur, Ph.D., CCC-SLP (powerdefurea@longwood.edu) for information about content. © 2011

  2. © 2011 A partnership between the Lions and Longwood University The Lions Goal is to serve all people around the world. Our main role is to help people see and hear better and assist those that have an illness called diabetes. We educate people about sight and hearing, provide eye glasses and hearing aids to those in need, and aid people with visual or hearing impairment. We Serve

  3. Hearing and Hearing Conservation Listen Up! How to Protect your Hearing! © 2011

  4. © 2011 Hearing Conservation Cycle Preventing damage to your hearing by protecting your ears get educated Cycle of hearing conservation learn about different loud noises use hearing protection devices that fit well turn down the volume or get away from the noise get your hearing tested regularly

  5. © 2011 What are our senses? Hearing is one of our 5 senses! What are some sounds that we hear every day?

  6. © 2011 How do we hear? We use our ears to hear different sounds in the environment.

  7. © 2011 Parts of the Ear Outer Ear

  8. © 2011 Parts of the Ear Middle Ear The middle ear is made up of the ear drum and three bones called the malleus (hammer), the incus (anvil), and the stapes (stirrup).

  9. © 2011 Parts of the Ear Inner Ear The inner ear is made up of the cochlea and the auditory nerve. The small hair cells inside the cochlea help us hear the sounds.

  10. © 2011 The Ear Outer Ear Middle Ear Inner Ear

  11. © 2011 What is sound? Sound travels in waves, called vibrations. These vibrations hit the different parts of the ear and help us hear all the different sounds!

  12. © 2011 Sound Sound vibrates at different frequencies. Frequency is how fast a sound wave vibrates through the air.

  13. © 2011 Frequency of Sound The vibrating frequency can be fast or slow. Fast frequencies make high sounds. Slow frequencies make low sounds.

  14. © 2011 So How Do We Hear? We hear when sound waves travel through our ear and vibrate the hair cells in our cochlea. How the ear works...

  15. © 2011 Sounds can be Loud or Soft • Sounds are measured in Decibels (dB) • Low dB = Quiet sound • High dB = Loud sound

  16. © 2011 Sound Level Meter • Measures the dB in the environment Let’s see what different dB readings we can get!!

  17. © 2011 Sound Level Meter - Quiet

  18. © 2011 Sound Level Meter – “Shhh”

  19. © 2011 Sound Level Meter – “Ahhh”

  20. © 2011 Sounds can be Loud or Soft • Sounds start to become harmful when they reach: A. 30-35 dB C. 85-90 dB B. 55-60 dB D. 125-130 dB

  21. © 2011 Hearing Loss You can get a hearing loss when a part of your ear does not work the way that it needs to for hearing all the sounds in the environment.

  22. © 2011 Types of Hearing Loss Hearing loss can be: Slight/Mild: have a hard time hearing soft sounds or whispering Moderate: have a hard time hearing someone talking beside you Severe: have a hard time hearing all talking Profound: can only hear the loudest sounds

  23. © 2011 What noises CAN’T we hear? If you have a mild hearing loss, you couldn’t hear… • Whispers • A fan blowing • A clock ticking If you have a moderate hearing loss, you couldn’t hear… • Normal conversation • A dishwasher • A clothes dryer

  24. © 2011 What noises CAN’T we hear? If you have a severe hearing loss, you couldn’t hear… • Almost all conversation • Music • A hand drill If you have a profound hearing loss, you couldn’t hear… • A chainsaw • A lawnmower • A siren

  25. © 2011 How Well Can You Take A Spelling Test When You Have A Hearing Loss This is just for FUN! Listen carefully and spell the words the best you can on your paper.

  26. © 2011 How Can You Get A Hearing Loss? • You can be born with it • Illnesses like meningitis or ear infections • Being hit in the head or sticking things in your ears • Listening to too many loud sounds

  27. © 2011 You Might Have Hearing Loss if.. • You ask people to repeat themselves because you can’t hear them. • You can't hear someone who is 3 feet away. • People talking near you sound fuzzy. • It is hard to hear after you leave a noisy area. • You have pain or ringing in your ears after listening to loud noise.

  28. © 2011 Ear Infections (Otitis Media) • What is an ear infection? • What does it look like when this happens?

  29. © 2011 When you had an ear infection, what did the Doctor do? • Antibiotics • Tubes

  30. © 2011 Noise Induced Hearing Loss Loud noise can be very damaging to hearing The hair cells in your ears become damaged and if they become damaged they don’t grow back.

  31. © 2011 What noises are too loud? • 150 dB = fireworks at 3 feet • 140 dB = guns/gun fire, jet engine • 130 dB = jackhammer • 120 dB = siren

  32. © 2011 What noises are too loud? • 110 dB = loudest volume on iPods, chain saw • 106 dB = gas lawn mower, leaf blower • 100 dB = hand drill

  33. © 2011 What noises are too loud? • 90 dB = subway, passing motorcycle • 80–90 dB = blow-dryer, kitchen blender,

  34. © 2011 What sounds are safe? • 60 dB = typical conversation, dishwasher, clothes dryer • 50 dB = moderate rainfall • 40 dB = quiet room • 30 dB = whisper, quiet library

  35. © 2011 How long can we listen to other sounds? • 85 dB (kitchen blender): 45 minutes • 100 dB (hand drill): 1 minute and 30 seconds • 115 dB (siren): 3 seconds • 130 dB (jackhammer): less than 1 second • 140 dB (guns/gun fire ): NO TIME

  36. © 2011 Ear Buds Listening to music with ear buds can be harmful to your ears. Ear buds take the sound directly into your ear, causing more damage than regular headphones

  37. © 2011 What can we do to protect our hearing? Avoid loud noises when possible. Turn down the volume on your iPod. If you know you will be around loud noises, wear hearing protection.

  38. © 2011 60 for 60 You can listen to your iPod at 60% volume for 60 minutes. 60% for 60 minutes.

  39. © 2011 Types of Hearing Protection Ear plugs Earmuffs

  40. © 2011 Wear Earmuffs When Hunting! A gunshot is a very loud sound! Protect your ears by wearing earmuffs to prevent damage to your ears!

  41. © 2011 Wear Earplugs When at a Concert! Concerts are also VERY loud! Try and stay away from the speakers, and always wear earplugs to protect your hearing!

  42. © 2011 Tips for Helping your Hearing Remember: E= Ear plugs or ear muffs A= Avoid Loud Sounds R= Reduce Volume S= Shorten time in Noise

  43. © 2011 Tips For Helping Your Hearing E= A= R= S=

  44. © 2011 Arm’s Length Rule • Use the arm’s length rule! If you have to yell to be heard from 3 feet away, the noise is too loud.

  45. © 2011 Hearing Screenings Get your hearing checked regularly. Ask your parents and ask your doctor. Get your hearing checked if you think you’ve been around a lot of noise!

  46. © 2011 Sounds can be Loud or Soft • Sounds start to become harmful when they reach: A. 30-35 dB C. 85-90 dB B. 55-60 dB D. 125-130 dB

  47. © 2011 Review Today, we learned about… The parts of the ear Facts about sound How sounds travel What sounds are too loud What sounds are safe How to protect our hearing E-A-R-S

  48. © 2011 Special Thanks To: Ms. Beth Fitts Mrs. Gloria Eiban Dr. Bill Schall Dr. Lissa Power-deFur Allison Chaplin Andrew Hockenbery The Farmville Lions Club Prince Edward Elementary School Longwood University and the Longwood Center for Communication Literacy and Learning

  49. © 2011 References American Speech Language Hearing Association. (2011). Communication for a Lifetime. Retrieved from http://www.asha.org/public/ American Speech Language Hearing Association. (2011). Hearing and Balance. Retrieved from http://www.asha.org/public/hearing/ American Speech Language Hearing Association. (2010). Listen To Your Buds. Retrieved from http://www.listentoyourbuds.org/ Bauman, N.Ph.D. (2007, January 21). What are safe sound levels? Retrieved from http://hearinglosshelp.com/weblog/what-are-safe-sound-levels.php Collins, S.H. (1989). Sound hearing or.. Hearing what you miss. Eugene, OR: Garlic Press. Moyer, R., Daniel, L., Hackett, J., Prentice-Baptiste, H., Stryker, P., & Vasquez, J. (2004). Science. (Virginia ed). New York: Macmillian/McGraw-Hill.

  50. © 2011 Images Retrieved From: Slide 1: http://technorati.com/technology/article/social-media-listening-tools-are-the/ Slide 2: Lions Club Logo: http://winnebago.govoffice.com/index.asp?Type=B_BASIC&SEC={8583B20E-C1B3-46AD-8B72-F35B4C2268F0}&DE={53FA5380-7235-4CCD-96AE-82E76A9E0763} Slide 3: Longwood logo Slide 6: http://www.infj.ulst.ac.uk/~pnic/HumanEar/Andy's%20Stuff/MScProject/workingcode_Local/EarChapter.html Slide 7: http://www.polyvore.com/human_ear_clip_art_vector/thing?id=17604682# Slide 8 & 9: http://picture-book.com/taxonomy/term/4232 Slide 10: see slides 7-9 Slide 11: http://robcubbon.com/how-to-design-sound-waves-in-illustrator/ Slide 14: http://www.kitchenandresidentialdesign.com/2011/04/further-proof-that-us-suburbia-is.html or http://www.mountainview.gov/city_hall/city_managers_office/child_and_youth_services/default.asp Slide 21: http://www.vawatchdog.org/07/nf07/nfMAY07/nf050207-7.htm Slide 25: http://www.computerclipart.com/computer_clipart_images/pencil_cartoon_character_student_gets_an_a_on_test_0521-1001-2611-1703.html Slide 28: Diagram: http://healthmetz.com/2011/06/04/methods-for-diagnosis-of-ear-infection.html Healthy TM: http://www.florencechamber.com/business-directory/hearing-loss.shtml Infected TM: http://www.webmd.com/cold-and-flu/ear-infection/slideshow-anatomy-of-an-ear-infection Slide 29: http://drugster.info/ail/pathography/1127/ Slide 30: http://www.toonpool.com/cartoons/Noises_6788# Slide 31 Gun: http://www.arthursclipart.org/weapons/weaponscol/shotgun.gif Rocket: http://www.wpclipart.com/toys/assorted/assorted_2/rocket.png.html Slide 32 iPod: http://www.amazon.com/Apple-classic-Black-Generation-MODEL/dp/B000JLKIHA Lawn Mower: http://chestnuthilllocal.com/blog/2011/05/05/lawnmower-recycling-drive/ Slide 33: Motorcycle: http://freeclipartpicture.blogspot.com/2010/04/free-motorcycle-clipart-pictures.html Slide 34: Kids talking: http://trifitt.nl/talking-clipart-free&page=3

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