Answer:
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
I help you carry your books.
I pass before the sun, yet make no shadow. I'm all around you, but you cannot see me. What am I?
Kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all. What am I?
I sit high glowing and watch the world go by. Without me everything would seem dull and dangerous. What am I?
A word of five letters, Upside down is the same, A shark does this, But itβs not to blame. What is the word?