Answer:
I am the word that is always spelled correctly by everyone.
I'm a precious stone in a pack of cards. What am I?
I am an instrument that you can hear but cannot see or touch. What am I?
When you take away the whole from me, there is always some left. What am I?
What is easy to get into but hard to get out of?
What did the piece of wood say when he saw the screwdriver and screws approaching?