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5.4 hearing
Lesson plan
Recap
Explain hearing 5.4
Do: 21-28
1 / 21
volgende
Slide 1:
Tekstslide
Biologie
Middelbare school
vwo
Leerjaar 1
In deze les zitten
21 slides
, met
interactieve quizzen
,
tekstslides
en
2 videos
.
Lesduur is:
45 min
Start les
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Onderdelen in deze les
Lesson plan
Recap
Explain hearing 5.4
Do: 21-28
Slide 1 - Tekstslide
If you eat spaghetti which senses do you use?
A
taste, hear, smell
B
taste, smell, see
C
touch, smell, see
D
touch, hear, see
Slide 2 - Quizvraag
What is a stimulus?
A
Something you feel when you touch a sharp object.
B
Information from your surroundings.
C
A signal that's being transported through the body.
D
A part of the central nervous system.
Slide 3 - Quizvraag
A stimulus can be picked up by a sensory organ. Then it is being converted into an impulse. What is an impulse?
A
A chemical reaction of the body.
B
An electrical signal.
C
The same as a stimulus.
Slide 4 - Quizvraag
The eyes, ears, nose, tongue and skin are examples of ...
A
Senses
B
Sense organs
C
Stimuli
D
Feelings
Slide 5 - Quizvraag
Hearing
With your ear you can detect with sound waves.
Slide 6 - Tekstslide
The ears
Slide 7 - Tekstslide
auricle = pinna
Slide 8 - Tekstslide
Slide 9 - Tekstslide
How can you hear sound?
The way sound travels:
Pinna - Ear canal - Eardrum - Hammer - Anvil - Stirrup - Cochlea (creates nerve impulse) - Auditory nerve --> cerebrum (brain)
Slide 10 - Tekstslide
The ears
Slide 11 - Tekstslide
-Ossicles (3 ear bones) make
oval window vibrate, fluid
in chambers of cochlea starts
to vibrate too.
-Produces impulses in sensory
cells
-Auditory nerve transmits impulses
to brain
Slide 12 - Tekstslide
Eustachian tube
Eustachian tube connects to your nasal cavity/throat
Pronounce: (yoo·
stay
·kee·uhn·choob)
Slide 13 - Tekstslide
Balance ear
Semicircular ducts --> filled with fluid.
Detects the direction of movement and acceleration.
Muscles respond, mantains your balance.
Slide 14 - Tekstslide
Slide 15 - Tekstslide
Slide 16 - Video
Slide 17 - Video
For your PIF
Auricle/ pinna - Oorschelp
Ear drum - trommelvlies
Ear canal - gehoorgang
Middle ear - middenoor
Ossicles:
Hammer - hamer
Anvil - aambeeld
Stirrup - stijgbeugel
Cochlea - slakkenhuis
Semicircular canals - semicirculaire kanalen
Auditory nerve - gehoorzenuw
Slide 18 - Tekstslide
Do
Fill in your PIF
Do exercise: 21-28
Slide 19 - Tekstslide
auricle
outer ear canal
eardrum
eustachian tube
cochlea
hammer
stirrup
anvil
Slide 20 - Sleepvraag
www.bioplek.org
Slide 21 - Link
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