Answer:
Come up and let us go. Go down and here we stay.
It is destruction made out of thin air, You hear it howl and give a prayer, Through barns and houses it will tear. It is a deadly funnel, Of violent and twisting air.
Iron roof, glass walls, burns and burns and never falls.
Often held but never touched. Always wet but never rusts. Often bits but seldom bit. To use it well you must have wit.
A hill full, a hole full, yet you cannot catch a bowl full.
It weighs next to nothing but no one can hold it for long. What is it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?