Good Riddles

Question: What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Question: I am a small room,
but no life lives inside,
no matter what weather looms,
very cold my residents reside.
What am I?

Question: A truck driver is going opposite traffic on a one-way street. A police officer sees him but doesn't stop him.Why didn't the police officer stop him?

Question: You throw away the outside, eat the inside, and throw away the inside.

Question: How can you flip the shape upside down by moving only two of the sticks?