Answer:
I climb higher as I get hotter. I can never escape from my crystal cage.
What is at the end of a rainbow?
I have an eye but I cannot see. What am I?
Only one color, but not one size, stuck at the bottom, yet easily flies. Present in sun, but not in rain, doing no harm, and feeling no pain. What am I?
What two keys cannot open any door?
Give it food and it will live, give it water and it will die.