Hopefully you've learned at least a little bit about pressure and diffusing. but just in case I'll try to give some background.
So, diffusion... it is the movement of particles, or anything for that matter, from high concentration to low concentration. In other words, put a drop of food dye in water and the water as a whole changes, but the color is not as thick as it was when you first applied the drop.
How does this relate? Well, your eardrum is literally that... a type of drum. It is a piece of tissue that is spread tightly to "catch" sound waves hitting it. It is air tight. So, what will happen is you'll have air in your ears/ head and the air outside which will be at the same pressure or concentration. Now, when you move higher in altitude, the pressure in the air lowers, but the pressure in your head does not.
So it looks like this:
Outside ear drum In your ear
:::::::::::: | :::::::::::
Change in altitude:
Outside ear drum In your ear
:.:.:.:.:.:. ( :::::::::::
The air inside your ear is trying to get out.
So, simply put, you hold your nose and "blow out" to actually open up a "valve" that lets the air out and stabilize the pressures.
your ears pop your ears pop
Ears "pop" when there is a change in pressure. It is the bodys way to prevent discomfort from pressure changes.
U hear a pop in ur ears.....
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To make your ears pop, you can try swallowing, yawning, or chewing gum. These actions help equalize the pressure in your ears, which can relieve the feeling of them being blocked.
When animals are on a plane, the change in air pressure can cause their ears to pop. This happens because the pressure inside their ears needs to equalize with the pressure outside, which can be uncomfortable for them.
no
preesure on your head
Yes.
the pressure of the air
Your ears pop when air pressure changes. The pressure inside a tornado is much lower than its surroundings.
It can be a very uncomfortable feeling when your ears will not pop. The pressure might be relieved by chewing gum, opening and closing the mouth in an exaggerated manner or by putting heat next to the ears for a few minutes.