Answer:
I am partially baked. I am not completely lit. I am a portion of the moon. I am lesser than full wit. I am a divider of the hour. I am not a total lie. I am a sibling through one parent.
Handy when you need to measure something or run a kingdom.
What can you hold in your left hand but not in your right hand?
It's been around for millions of years, but it's no more than a month old. What is it?
What falls down but never breaks?
A little house full of meat, no door to go in and eat.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?