Answer:
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate, yet I have my own style of music. What am I?
Everyone has me, but nobody can lose me. What am I?
I can go through glass without breaking it. What am I?
Man walks over, man walks under, in times of war he burns asunder. What is it?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic