Answer:
What moves without seeing and cries without eyes?
What flies around all day but never goes anywhere?
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
What points the way without a hand. It floats on water but exists on land?
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
What scientists might call your pooch.