Answer:
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
I fly when I'm on and float coming off.
I am a mountain at night, meadow at day. What am I?
I am an object which is used in baseball. During the day I can't be seen at all. What am I?
I row quickly with four oars but never comes out from under my own roof.
It's what light turns into in the night