Name parts of the ear
you already know
1 / 23
Slide 1: Woordweb
BiologieMiddelbare schoolvwoLeerjaar 1

In deze les zitten 23 slides, met interactieve quizzen, tekstslides en 1 video.

Onderdelen in deze les

Name parts of the ear
you already know

Slide 1 - Woordweb

In Dutch

Slide 2 - Tekstslide

External/outer ear

Ear canal
Eardrum (sort of border)

Slide 3 - Tekstslide

Slide 4 - Tekstslide

So? how does hearing 'technically' work?


Slide 5 - Tekstslide

Slide 6 - Video

Collecting info

Slide 7 - Tekstslide

Slide 8 - Tekstslide

The way sound travels
Pinna - Ear canal - Eardrum - Hammer - Anvil - Stirrup - Cochlea (creates nerve impulse) - Auditory nerve --> cerebrum 

Slide 9 - Tekstslide

What is the missing word in the way sound travels through the ear?
Pinna - Ear canal - ..?.. - hammer - anvil - stirrup - cochlea - auditory nerve

Slide 10 - Open vraag

Hertz vs Decibel
Hertz = unit to express how low or high a certain sound is.

Decibel = unit to express how loud a certain sound is.

Slide 11 - Tekstslide

Many waves give a higher sound than just a few waves

Slide 12 - Tekstslide

Here you can see a low sound becoming a little bit higher.

Slide 13 - Tekstslide

A big soundwave produces a loud noise. A small soundwave produces a more quiet sound.

Slide 14 - Tekstslide

Decibel: This sound starts loud!

Slide 15 - Tekstslide

Air pressure
Why does it hurt and why do our ears pop?

Slide 16 - Tekstslide

When landing a plane

Slide 17 - Tekstslide

Slide 18 - Tekstslide

When climbing a mountain/taking flight

Air pressure on the outside is very low, on the inside relatively high. You'll have to swallow some water in order to 'pop' your ears.

Slide 19 - Tekstslide

Air pressure pushes on eardrum

Slide 20 - Tekstslide

Eustachian tube connects to your nasal cavity/throat.

Slide 21 - Tekstslide

Why do we have semicircular canals?

Slide 22 - Open vraag

Which part should I explain again or did you find most difficult?

Slide 23 - Open vraag