Best Riddles and Answers

Question: I can go up a chimney down but not down a chimney up?

What am I?

Question: When warm my house expands and when cold it contracts,
I am vital to a certain type of pact.

What am I?

Question: I have curly hair I am a feline I am long I My eyes are shaped like a line. What am I?

Question: If 1+1=4, 7-3=2, and 5x2=8, then what is half of 19?

Question: I run, I save people, and I was hit by lightning, And my public name starts with an "F"