Answer:
Man walks over, and man swims under. In times of war, it can be burned asunder. What is it?
What turns from red to black as soon as it touches water?
Hard to catch, easy to hold. Can't be seen, unless it's cold
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
Without this, eating food and Steven Spielberg's career would be very different.
What is so fragile that saying its name breaks it?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?