Answer:
I move without wings, Between silken string, I leave as you find, My substance behind.
A certain wizard resided in a city made from this gemstone.
What kind of pet always stays on the floor?
It is worldwide, but once only a spider could weave one
If eleven plus two equals one, what is nine plus five equal to?
When is it bad luck to see a black cat?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?