Answer:
I carry you down a gentle stream.
I like to twirl my body but keep my head up high. After I go in, everything becomes tight. What am I?
You can see it everyday, but cannot touch it at will. What is it?
What is made of water but if you put it in water it will die?
I am an instrument that you can hear but cannot see or touch. What am I?
When is it bad luck to see a black cat?