Answer:
What is harder to catch the faster you run?
I have a neck but no head. I have a body but no arm. I have a bottom but no leg. What am I?
I have a tongue, but cannot speak. I have a bed but cannot sleep. I have four legs but cannot walk. Yet I move as you do. What am I?
If you drop me, I'm sure to crack. Give me a smile and I'll always smile back. What am I?
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
Give it food and it will live, give it water and it will die.