Answer:
I tremble at each breath of air, and yet can heaviest burdens bear. What am I?
In your fire you hear me scream creaking and whining yet I am dead before you lay me in your hearth.
I am the only thing that always tells the truth. I show off everything that I see. I come in all shapes and sizes. What am I?
I am lighter than air but a hundred people cannot lift me. Careful! I am fragile!
I can only be played on a windy day. What am I?
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.