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Jemma's Project


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Jemma's Project

  2. 2. Contents <ul><li>What is the Ear?               P1 </li></ul><ul><li>  </li></ul><ul><li>How does it work?          P2 </li></ul><ul><li>Parts of the Ear P3 </li></ul><ul><li>  Diagram of the Ear         P4 </li></ul><ul><li>Sounds and vibrations    P5 </li></ul><ul><li>  </li></ul><ul><li>Fun Facts                        P6 </li></ul><ul><li>  </li></ul><ul><li>  </li></ul><ul><li>Mini Movie                       P7 </li></ul><ul><li>Quiz Time                       P8 </li></ul><ul><li>Links and books P9 </li></ul><ul><li>The End                          P10 </li></ul><ul><li>  </li></ul><ul><li>  </li></ul>Sound  Waves Click to go back to title
  3. 3. What is the Ear? <ul><ul><li>The ear is the part of the body on either side of the head. </li></ul></ul><ul><ul><li>The ear is what allows us hear. </li></ul></ul><ul><ul><li>Ears are made up of important part such as; outer ear, the ear drum, hammer, anvil, stirrup, cochlea. </li></ul></ul><ul><ul><li>Ear are used to hear and help us balance. </li></ul></ul><ul><ul><li>The ears help us balance as there is three parts next to the cochlea which help us balance. They feel the air and vibrations out side our body. </li></ul></ul><ul><li>  </li></ul>Next Page Previous Page Menu
  4. 4. How does the ear work? <ul><li>The ear works very quick so messages can be sent to out brain. </li></ul><ul><ul><li>First the sound vibration enters the ear. Our ears are slightly curved so that the sound gets caught. </li></ul></ul><ul><ul><li>The vibration hits the ear drum which the vibrations on to the hammer. </li></ul></ul><ul><ul><li>The hammer passes it on to the anvil. </li></ul></ul><ul><ul><li>The sound is then carried on to the stirrup. </li></ul></ul><ul><ul><li>Then finally the sound reaches the cochlea. </li></ul></ul><ul><ul><li>Hair in side the cochlea become electric and this sends an electrical message to the brain. </li></ul></ul>Previous Page Next Page Menu
  5. 5. Parts of the Ear <ul><li>Ear Drum- A thin piece of skin that separates the outer ear from the middle ear. </li></ul><ul><li>Hammer - It is a tiny bone next to the ear drum and it vibrates by the ear drum tapping it. </li></ul><ul><li>Anvil - Another small bone next to the Hammer . It </li></ul><ul><li>vibrates when the hammer knocks it. </li></ul><ul><li>Stirrup- A part of the ear next to the Anvil that gives the noise to the cochlea. </li></ul><ul><li>Cochlea - A spiral part of the ear that sends messages to the brain. Inside the spiral little hair stand. When a noise is made the hair become electric. Cochlea sends an electric message to the brain. </li></ul>Previous Page Menu Next Page
  6. 6. A Diagram of the Ear Previous Page Next Page Menu
  7. 7. Sounds and Vibrations <ul><li>Sounds travel though molecules. </li></ul><ul><li>This works like marbles. The first one will push the next one then that one will push the third one and so on. </li></ul><ul><li>Speed of light is faster than speed of sound because of the distance away the noise came from. </li></ul><ul><li>Depending on the surface the noise hits depends how strong it will reflex and where it will reflex. </li></ul><ul><li>The temperature affects how fast sounds travels. </li></ul>Sound waves of someone talking fast. Next Page Menu
  8. 8. Fun Facts <ul><li>1. Whales use sound to sense there food. They do this by making sounds if a group of fish are detected the sound will reflex back. </li></ul><ul><li>2. At the middle of your neck is your vocal cords, they open when you talk or sing. </li></ul>Previous Page Next Page Menu
  9. 9. MINI MOVIE OF HOW THE EAR WORKS Previous Page Next Page Menu Click to see movie
  10. 10. Quiz ???????????? <ul><li>Questions </li></ul><ul><li>What is faster, Sound or light? </li></ul><ul><li>What do I compare molecules to? </li></ul><ul><li>What does sound travel though? </li></ul><ul><li>Light is faster. </li></ul><ul><li>Marbles </li></ul><ul><li>Sound travel though molecules by hitting each other . </li></ul>Answers Previous Page Next Page Menu
  11. 11. BOOKS AND LINKS <ul><li>Encyclopedia for Kids- By Marcs and Spencer’s </li></ul><ul><li>MY first Encyclopedia – By Penguin Publisher </li></ul>Click here to go back to contents. Next Page
  12. 12. THE END <ul><li>Have your questions been answered? </li></ul><ul><li>Now do you know? </li></ul>EEEKKKK … Want to watch again? Click Here!