what are some good riddles?

post them on here if you have the answer and let everybody try to guess them. i have an extreamely easy one to warm you up

                I can get stronger with food but water kills me. what am i?

mikeasaurus6 years ago
Q: "I can get stronger with food but water kills me. what am i?"
A: Fire

Here's my contribution:
What goes up white. but comes down yellow and white