Answer:
I begin with the letter āiā, if you add āaā in front of me, I become a new word with a different meaning, but still sounds exactly the same. What word am I?
Only one color, but not one size, stuck at the bottom, yet easily flies. Present in sun, but not in rain, doing no harm, and feeling no pain. What am I?
I am an instrument that you can hear but cannot see or touch. What am I?
In Paris but not in France the thinnest of its siblings.
What runs but never walks has a mouth but never talks has a head but never weeps has a bed but never sleeps?
What did the piece of wood say when he saw the screwdriver and screws approaching?