Brain ring

What is so fragile that saying its name breaks it?

(a)  

I’m tall when I’m young, and I’m short when I’m old, what am I?

(a)  

What is as big as you are and yet does not weigh anything?

(a)  

What word is spelled wrong in the dictionary?

(a)  

What can travel around the world while staying in a corner?

(a)  

What can run but not walk, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

(a)  

Do you know what you can hold without ever touching it?

(a)  

Flat as a leaf, round as a ring; Has two eyes, can't see a thing. What is it?

(a)  

Where can you find roads without cars, forests without trees, and cities without houses (without people)

(a)  

What loses its head in the morning and gets it back at night?

(a)