It's called the "mouthpiece" of a balloon, where you blow air into to inflate it.
Yes you have to but here is a tip: if you want the sturdiest balloon blow it up halfway and then insert pancakes before you blow it up anymore
To inflate a balloon, you can blow air into it by using your lungs to push air out of your mouth and into the balloon. Alternatively, you can use a pump to push air into the balloon.
It is called a balloon pump.
When you blow into a balloon, the particles of air you exhale are compressed and forced into the balloon. This increases the air pressure inside the balloon, causing it to expand and inflate.
Balloon is a solid because it has a definite shape when we blow or don't blow air into it.
Helium come on man
Put the balloon in the bottle with the blowing up part out and blow it up in the bottle.
Yes you have to but here is a tip: if you want the sturdiest balloon blow it up halfway and then insert pancakes before you blow it up anymore
To inflate a balloon, you can blow air into it by using your lungs to push air out of your mouth and into the balloon. Alternatively, you can use a pump to push air into the balloon.
you blow
you blow
You are pushing more air into the balloon.
It is called a balloon pump.
When you blow into a balloon, the particles of air you exhale are compressed and forced into the balloon. This increases the air pressure inside the balloon, causing it to expand and inflate.
When the gas particles hit the walls they blow up a balloon
at the part where you blow it up Take a piece of tape and place it over the outside of the balloon. Poke the needle through the tape and through the surface of the balloon. The balloon will not pop because the surface of the balloon cannot expand, thus popping the balloon.
When the gas particles hit the walls they blow up a balloon