Answer:
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I go in hard, come out soft. Blow me hard and I'll make a pop. What 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 object which is used in baseball. During the day I can't be seen at all. What am I?
I'm tall when I'm young and I'm short when I'm old. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk