Difficult Riddles?

Facts

Pronounced differently but spelled the same
I have many meanings from obscure to mundane
In a trip across water I get there before you
In precipitation amazing, a marvel to awe you

One naming of me means to acknowledge the praise
I move fastest in music as the violin maestro plays
Taught to children of all ages , or trip up they would
I was also much favored by a notorious Hood.

(ǝoʇ uı sɐ) ʍoq ɹo (ʍoɔ uı sɐ) ʍoq pǝɔunouoɹd - ʍoq: ɹǝʍsuɐ

I turn polar bears white
and I will make you cry.
I make guys have to pee
and girls comb their hair.
I make celebrities look stupid
and normal people look like celebrities.
I turn pancakes brown
and make your champagne bubble.
If you squeeze me, I'll pop.
If you look at me, you'll pop.