Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Fourth-grade science volume 2 of the E-education edition
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 2
Fifth Grade Science Volume 2, Textbook Edition
E-education edition fifth grade science volume 1
Qingdao Edition Fifth Grade Science Volume 2
Hunan Education Edition Fifth Grade Science Volume 2
E-education edition sixth grade science volume 1
Category | Format | Size |
---|---|---|
Fourth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"How We Hear Sound" Sound PPT Courseware 3
(1) Structure of the ear
External ear: auricle external auditory canal
Middle ear: tympanic membrane ossicles
Inner ear: semicircular canals, Eustachian tube, auditory nerve, cochlea
(2)The function of each part
The auricle has the function of ( ).
The external auditory canal has the function of ( );
The tympanic membrane has the function of ( ).
The basic process of how people perceive sound
Sound from the outside causes the eardrum to vibrate
This vibration is transmitted to the auditory nerve through the ossicles and other tissues
The auditory nerve transmits signals to the brain, so that people hear sounds
sound waves external auditory canal tympanic membrane
Auditory ossicles Cochlea Auditory nerve Brain
Think about it:
(1) Why do we feel that our own speaking voice is different from the voice we recorded on the tape?
(2) If we put our hands behind our ears and face the place where the sound comes from, how will the sound we hear change?
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For more information about the PPT courseware "Sound How We Hear Sound", please click the Sound ppt How We Hear Sound ppt tag.
"How We Hear Sound" Sound PPT Download:
"How We Hear Sounds" Sound PPT Download Part 1: Introduction to the new lesson How do ears hear sounds? The vibration of the object produces sound, which is transmitted through the air to our ears in the form of waves. So how do the ears hear the sound?
"How We Hear Sounds" Sound PPT:
"How We Hear Sound" Sound PPT Part 1 Content: The Structure and Function of the Ear Observe the structural diagram of the ear. Think about what are the main functions of the outer ear, middle ear, and inner ear? Share your ideas within the group. Sound ear canal tympanic membrane auditory ossicles cochlea auditory nerve large...
"How We Hear Sound" Sound PPT Courseware 2:
"How We Hear Sounds" Sound PPT Courseware 2 1. The basic process of the ear's perception of sound External sounds Vibration of the tympanic membrane Amplification of the ossicles and other tissues (semicircular canal vestibule cochlea) Auditory nerve Brain nerve center Types of non-congenital deafness are: ⑴ Nerve damage...
File Info
Update Time: 2024-10-03
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