Answer:
You see a boat filled with people. It has not sunk but when you look again you don't see a single person on the boat. Why?
What jumps when it walks, but sits when it stands?
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
Two bodies have I, though both joined in one. The more I stand still the faster I run. What am I?
I row quickly with four oars but never comes out from under my own roof.
What never gets any wetter no matter how hard it rains?