1. What is sound and how we hear? By Danny

2. Contents Introduction….PG 1 What happpens when you are deaf?…. PG 2 How do we hear?…. PG 3 Did you know…. PG 4 Glossary…. PG 5 Quiz!!!..... PG 6 Source…. PG 67

3. Introduction The ear is the most sensitive part of the body. Not only the ear lets you hear it also helps you balance because the balance- organ in the inner ear controls all the muscles in your body.

4. What happens when we are deaf ? When you are deaf you can’t hear anything such as when you put on your earphones and you turn on a music with your Ipod you can’t hear anything. The possibilities of becoming deaf are if someone shouts in your ears really loud or you are born deaf.

5. How do we hear? The sound hits the eardrum Eardrum then vibrates the sound to the middle ear Then hits the hammer Hammer hits Anvile Anvile hits the Stirrup Stirrup shakes the Cochlea Then Cylia makes electrical pulse Electrical pulse gets sent to the brain Then the human reacts to the message and sound

6. Did you know? Dolphins have better hearings then humans. Dolphins have the best hearings out of any animals. When you spin not only you spin the fluid in your ear spins. Whales and Dolphins communicate by wiggling Their tails.

7. Quiz!!! What happens when you are deaf? What are the three parts of the ear? What does the anvil hit to send messages? True or False ear is not sensitive? You can’t hear any thing Outer Ear, Middle Ear and Inner Ear Stirrup False

8. Glossary Sound wave- a wave producing an audible sensation. Ear- Something part of your body that helps you hear Ipod- A machine that plays music Pitch- High and low

9. Sources http://www.ipastgroup.com/SoundWaveGreen.jpg http://hacknmod.com/wp-content/uploads/2009/04/sound_wave.jpg http://www.quickpwn.com/wp-content/uploads/2009/03/ipodtouch2gjailbreak.jpg images.fanpop.com/images/image_uploads/Ralph http://farm3.static.flickr.com/2256/2195379725_2ffd27f4e4.jpg http://th01.deviantart.net/fs8/150/i/2005/331/2/2/Simpsons_iPod_by_mynameisoliver.jpg www.wikianswers.com

10. Thanks for Watching By Danny