You can huff and puff, but the piece of paper won’t go in the bottle. What is happening?
Putting an item into an empty soda bottle is a piece of cake. Just drop the object through the mouth of the bottle, right? Well, we have a challenge for you. Place a small item in the mouth of a bottle and attempt to blow the object into the bottle using a straw. Not so easy, now is it? What is happening here?