Answer:
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
Break me and I am better immediately set and harder to be broken again.
You can always find me in the past. I am created in the present, but the future can not change me. What am I?
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
Wind and cord combine, buzzing in the box. In all this we find, though to some the use is lost. What am I?
What made Cyclops quit teaching?