Homework task: To design and make a hearing aid.
We got some fantastic results that showed ingenuity, imagination and a good understanding of how sound travels.
Ellie - Aid
This is a hearing aid with two elephant flaps behind your ears.There is also tin foil in the middle which reflects the sound!

Powerphone
It's a hearing aid that doesn't actually work! The cone is designed to go in your ear and because of that it doesn't work.

The Amyuaide
The best one in the world.The cups are shaped so you can hear in front of you even more.

Sound Traper

Click here to view diagram

Patent Hearing Aid
The part that goes in your ear is made from the top of a cream pot and the rest is made from card and tape.

The Fishaphone
It's a hearing aid and you can speak into it too.

The Posiephone
For speaking and listening.

Theaphone

Click here to view diagram