Answer:
What can be heard and caught but never seen?
What has a bell but isn't a church. Is full of air but is not a balloon?
Who eats a lot of iron without getting sick?
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
I have legs but never walk, I may have flowers but no soil, I hold food but never eat.
What never gets any wetter no matter how hard it rains?