Answer:
In many hall ways you would stand if not with me in hand.
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
I start with an E end with an E and have a letter in me.
In your fire you hear me scream creaking and whining yet I am dead before you lay me in your hearth.
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
I start with T end with T and within me is T.