The whole round shape. Think of the earth as a ball with several smaller balls layered neatly inside it. We live on one of those balls called the crust.
The spiky balls that fall from trees are called "sweetgum balls" or "gumballs."
There are a number of names for the balls - generally they are called zorbing balls or OGOs.
Those are called Newton's cradle or Newton's balls.
Ball Pools
Those little spiky balls that fall from trees and can be found scattered on the ground are called "sweet gum balls" or "gumballs."
Tumbleweeds.
Those giant inflatable balls that you can go inside are called zorbs or human hamster balls. They are typically used for fun activities like rolling down hills or across water.
They are called ornaments.
pom pom hats
Bacteria that are round are called cocci. Those in strings like a strand of pearls are called streptococci. Those in clusters are called staphylococci.
Those bakugan are called traps. They can change your round bakugan's type if it has you round bakugan type on the outside or inside of it.