Answer:
I begin with the letter “i”, if you add “a” in front of me, I become a new word with a different meaning, but still sounds exactly the same. What word am I?
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
It's red liquid but not liquid and it's not red. What is it?
As a stone inside a tree, I’ll help your words outlive thee. But if you push me as I stand, the more I move the less I am.
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
A little house full of meat, no door to go in and eat.