Answer:
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
I sleep by day, I fly by night. I have no feathers to aid my flight. What am I?
Why is it so easy to weigh fish?
What comes once in a year twice in a week but never in a day?
A little house full of meat, no door to go in and eat.