Good Riddles

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: A man pulls over and goes into a building.He came back with a bucket of water,he dumps it on the sidewalk.Why did he pour the water on the sidewalk?

Question: 4 people walk onto a bus, there are only babies on the bus what is on the bus

Question: You wait for it. It appears, cracks, stays for a moment, then disappears before your eyes.