Answer:
Jack and Jill when up the hill jack fell down
I can be cracked, I can be made. I can be told, I can be played.
There is one word that stands the test of time and holds fast to the center of everything. Though everyone will try at least once in their life to move around this word, but in fact, unknowingly, they use it every moment of the day. Young or old, awake or in sleep, human or animal, this word stands fast. It belongs to everyone, to all living things, but no one can master it. The word is?
Vikings use this for warmth.
I am seen in the water. If seen in the sky, I am in the rainbow, a jay's feather, and lapis lazuli.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?