Answer:
I am an object which is used in baseball during the day I can't be seen at all
I hide but my head is outside. What am I?
I am a kind of coat that can only be put on when wet. What am I?
I am the kind of a tree that is carried in your hand. What am I?
I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant, but I last a life time. What am I?
I am rarely touched but often held. If you are smart you'll use me well. What am I?