Answer:
I give people a huge fright, but at the end I'm sweet. I normally celebrate at night, when there's less heat. What am I?
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
It's in your hand though you can not feel it. Only you and time can reveal it.
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 run around the streets all day. Under the bed or by the door I sit at night, never alone. My tongue hangs out, waiting to be fed during the day. What am I?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.