The ears

• Biologie / Verzorging
• Middelbare school
• vwo
• Leerjaar 2

Welcome everyone!

Today:

Discussing homework (page 105)

Explanation about the ears

Making homework

What are we going to learn today?

Today we will look at: 

What sound it. 

How your ears convert sound to impulses. 

What is sound?

Sound is the vibration of a medium (often air). They are created by a vibrating membrane. 

academo.org

The ear

www.szynalski.com

Time to work!

Finish all the exercises of paragraph 3.3. This is homework for next lesson. 

Pass the buck!

We will make 3 lines in the classroom, consisting of 4 rows. 

I will ask a question on the screen and together with your line you need to answer the question. 

The catch is that the rows cannot communicate with each other and you are only allowed to write down a maximum of 3 words. 

So first the first row writes down 3 words, then the second and so on and so on.

Pass the buck!

How come our eyes are more sensitive for black and white then they are for colors?

Pass the buck!

What is the correct route from soundwaves coming into year in to eventually being transferred to the brain?

Pass the buck!

How come we hear certain tones at a higher volume or a lower volume?