Good Riddles

Question: Only one color, but not one size, Stuck at the bottom, yet easily flies, Present in sun, but not in rain, Doing no harm, and feeling no pain. What am I?

Question: One day, a guy is on the street in the middle of the night , he saw some famous people . He suspect something is not right because the guy saw they are flying so he called a cop .But, the cop immediately went away after he said something to him,after that he knew he is wrong.What did the cop said?(three words)

Question: I am the first son of my father, I can live without men but men can't live without me, the second son of my father has seen men rise and fall and have all of their secrets in his belly, the third son of my father can never give you his gift forever, he takes it from you when you corrupt it unknowingly but men cry for his gift no matter its cost, the fourth son of my father is an obedient servant in the hands of men but when he losses his master he becomes an unmercifully god, the fifth son of my father is the center of our lives, he guides us but he is a divine mystery. What are we?

Question: I am just an ordinary word that comes in form of a man, accepted by many but rejected by a few, not felt by many but felt by a few, not shown by many but shown by a few. What am I?

Question: There are three books on a shelf standing side by side. Each book is 10ml thick. The bookworm eats its way through the first page of the first book to the last page of the last book. How far did the bookworm move if it can only move in a straight horizontal line?