What can not be burned in fire, nor drowned in water ?

Rearrange the letters U O S O W T D N E J R to spell just one word.

I am blue at day and black at night; I do contain some creatures born and died. What am I?

If I am coloured, I smell, if I am burned, I smell, orange and yellow will melt me. What am I?

A cloud was my mother, the wind is my father, my son is the cool stream, and my daughter is the fruit of the land. A rainbow is my bed, the earth my final resting place, and I’m the torment of man. Who Am I?

What 3 common songs have the same melody ?

I am pretty beautiful, fluttering in the pale-blue sky. Delicate, fragile on the wing, indeed I am a pretty thing. What am I?