Answer:
What eight letter word has "kst" in middle, in the beginning and at the end?
Kids play it and Michelangelo sculpted with it.
A tangly game and a destructive weather phenomenon.
Hot tempered and sometimes it blows its top, making a mess of everything.
I cannot be felt, seen or touched; Yet I can be found in everybody; My existence is always in debate; Yet there is a style of music named after me.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.