4. Identify the path of sound waves as they enter the human body AIM: How do we hear?

5. Eardrum, hammer, anvil, stirrup, cochlea, auditory nerve Outer ear, middle ear, inner ear AIM: How do we hear?

6. What are the 5 senses? Sight, touch, taste, smell, hear

7. For a sound to be heard, THREE things must happen Need a source of sound -a vibration to cause the sound wave Need a medium for the wave to travel Need a sense organ to detect the sound wave

9. The human ear has three sections: Outer Ear -- ear lobe > ear canal > ear drum Middle Ear -- ear drum > ear bones: hammer anvil & stirrup Inner Ear -- Cochlea > auditory nerves to brain

11. Tuning Fork Demonstration (click here) AIM: How do we hear?

12. Guitar Demonstration (click here) AIM: How do we hear?

13. Ear Drum Demonstration (click here) AIM: How do we hear?

14. Class Activity: W/S Concepts 8-9

15. Homework: INTERNET QUESTIONS