Answer:
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
If a man carries my burden they will get crushed to death. Though not rich I leave silver in my track.
I start new then become old. Start clean but become dirty. I usually start big then become little. What am I?
I tell people to be careful when handling boxes.
Use me to reward good behavior.
What made Cyclops quit teaching?