Answer:
I am a word. I become longer when the third letter is removed. What am I?
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I am merry creature in pleasant time of year as in but certain seasons I sing that you can hear; And yet I'm made a by-word A very perfect mock; Compared to foolish persons And silliest of all folk.
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
I am the building with the most number of stories.
The more of me you take, the more I appear behind you. What am I?