Kids Riddles

Question: What is bought by the yard by is worn by the foot?

Question: I go up and I go down,
towards the sky and the ground.
I'm present and past tense too,
Let's go for a ride, me and you.

What am I?

Question: What flies when it's born, lies when it's alive, and runs when it's dead?

Question: What belongs to you but others use it more than you do?

Question: Samuel was out for a walk and it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet.

How could this be?