Day 1 Brain Teasers 1.0

What travels around the world while staying in one spot?

What is so fragile that when you say its name, you break it? 

What starts with the letter T, is filled T, and ends with T 

What can you put in a bucket of water to make it lighter?

What building has the most stories?

How can you make seven even?

What comes down, but never goes up?

What belongs to you, but others use it more than you?

What do you throw out when you want to use it, but take in when you don't want to use it?

What do you have to give before you can keep it?