Answer:
Better touch me before you proceed to second.
What do you get when you cross a cow with a trampoline?
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. What am I?
I stand in one place yet I fill a whole room. I can be filled with molten rock and come in every hue.
What has a bottom at the top?
What did the piece of wood say when he saw the screwdriver and screws approaching?