Answer:
When one does not know what it is, then it is somethingอพ but when one knows what it is, then it is nothing.
What gets whiter the dirtier that it gets?
I can be moved. I can be rolled. But nothing will I hold. I'm red and I'm blue, and I can be other colors too. Having no head, though similar in shape. I have no eyes ยญ yet move all over the place.
What has to be broken before you can use it?
A piece of paper that determines the academic fate of kids everywhere.
I am the same written forward backward and upside down.
Kids
Animal
Difficult
Easy
Food
Funny
Logic
What am I?