Answer:
I stand in one place yet fill the whole room. I can be filled with molten rock and come in every hue. What am I?
My snake-like body cracks and burns. I cause pain but pleasure too. What am I?
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure a matter of course. I am given with pleasure when taken by force.
I can be cracked, made, told, and played. What am I?
Give it food and it will live, give it water and it will die.