Answer:
Lighter than feather and softer than silk, yet the strongest man in the world cannot hold me for more than a few minutes. What am I?
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
I follow you all the time and copy your every move but you can't touch me or catch me. What am I?
I let water fall on you while everyone else stays dry. What am I?
Light hides me and darkness kills me. What am I?
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.