rubber band, cork;
The bell jar is an airtight space. When the rubber diaphragram is pulled the volume of the space increases and air rushes into fill it, therefore expanding the balloons. When the diaphragram is released the volume of the space dcreases and the air in the balloons is pushed out. The balloons deflate.
regular balloons are made of rubber, hot air balloons are made of nylon
small, rubber balloons
BALLOONS
The Goodyear Tire and Rubber Company makes the large balloons.
Meteorological balloons are made from natural latex rubber, mostly in Japan.
Because the the rubber pops
Modern balloons we see today at parties are usually made out of rubber, latex, or polychloroprene.
plastic balloons lose air because particles are moving in the balloon and leave it
Generally latex.
punching balloons are balloons that have rubber bands attached to it then you blow it up into a big balloon then put your hand on the rubber band hold it into a fist shape and start punching it
Examples: rubber (or plastic) balls, balloons for children.