Pictures:

What gets wetter the more it dries.

A towel.

979

What invention lets you look through a wall?

A window.

960

When Bobby threw a ball as hard as he could, why did it just come back to him?

He threw it up in the air.

989

When does Friday come before Thursday?

In the dictionary.

992

Why shouldn't you write with a broken pencil?

Because it's pointless.

971