Answer:
I stand in one place yet I fill a whole room. I can be filled with molten rock and come in every hue.
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
What runs but never walks has a mouth but never talks has a head but never weeps has a bed but never sleeps?
Why are there no living cats on Mars?
I am a tool for fairies.
When is it bad luck to see a black cat?