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

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Presentation transcript:

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

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

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

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

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

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

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

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

Class Activity: W/S Concepts 8-9

Homework: INTERNET QUESTIONS

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