Kids Riddles

Question: I make up all literature, but I'm often sealed.

What am I?

Question: There are three jars full of equal amounts quarters, dimes, and penny's. Which one has the highest value?

Question: If a man carried my burden, he'd break his back.
I am not rich, but I always leave silver in my track.

What am I?

Question: Christmas and New Year's Day occur exactly one week apart. So a New Year's that occurs right after Christmas should be on the same day of the week. But in the year 2020 Christmas will occur on a Friday and New Year's on a Wednesday.

Why is this?

Question: I have a few points but we're not competing.
And I'll help you win when you're eating.

What am I?