I can spark in your hand or clash in a ring, I can pair two hearts like a pull on a string. I light up the dark or decide who has won, what am I when three meanings become one?

Q Tongue Iceberg Finger Hint: I complement most and am kind of a synonym of the last.

It’s bad when I’m full And when I make a hole The feeling of forever falling

I wear a coat of green and gold, and sport a silken, flowing mane. I offer sweetness, but hold no grape; boiled, roasted, or popped, I entertain. What am I?

My first is a tool with all teeth and no face. It chews into wood like a beaver, but it is not alive. My second is a place where the turn of a wheel turns gold into food. Put both halves together and you get a place where a woodchuck could chuck