Answer:
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
What leaps one time out of four?
I'm a god. I'm a planet. I measure heat.
What loses its head every morning only to get it back every night?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
A little house full of meat, no door to go in and eat.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?