Answer:
Though easy to spot, when allowed to plume, It is hard to see, when held in a room.
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
White fat and fluffy, May even look like a puppy. Seems heavy but is light, Floats about without a worry, But if it turns dark you have to hurry!
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
My head bobs lazily in the sun. You think I'm cute. For my face is yellow my hair is white and my body is green.
What is always coming but never arrives?