Ear Defender Particle Diagram

The middle ear.

Ear defender particle diagram. Also it is tough and effective. Brainstorming designing ear defenders the ear defenders will work by having all of the sound waves reflected off the outer shell. The middle ear consists of the eustachian tube this tube goes through the inside of the ear and the throat. Other answer firstly you draw the ear defender.

To make ear defenders we need materials that absorb sound because they will absorb and reduce the amount of sound that goes into our ears. You have to use detailed particle diagrams and the big idea of energy transfer to explain how the ear defenders work also we have to draw a picture of the ear. If the sound waves hit the plastic it will. This is why when your ears get popped and you yawn or swallow they un pop.

My choice of materials i will use materials below clear hard plastic foam plastic i am using clear and hard plastic for the cover because it will defend the sound vibration coming into your ears. Materials that absorb sound well are usually soft but rough not smooth. The outer ear stops at the ear drum which is a layer that divides the middle and outer ear. You have your ear defenders.

The outer shell will be 15 inches thick so the solid pvc shell will absorb most of the sound. Sponge foam has small pockets of air and sound moves slowest through air this. Secondly you can draw the. This tube allows air to enter the middle ear.

The 05 inches of silk will provide comfort on the ears. Then the sound waves hit the ear defenders and bounce off it. How do i draw a particle diagram to show how ear defenders work.