Answer:
What is it that after you take away the whole, some still remains?
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
What is it that you ought to keep after you have given it to someone else?
One am I, among six others: Largest, smallest, cold, dark and two brothers
What has only two words, but thousands of letters?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?