Answer:
What is the beginning of eternity the end of time and space the beginning of every end and the end of every race?
I begin your sentences. What am I?
What has a head and a tail but no body?
What can go up a chimney down but can’t go down a chimney up?
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
What scientists might call your pooch.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic