Riddles Crossword

1234
Across
  1. 2. What five-letter word becomes shorter when you add two letters to it?
  2. 3. What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?
  3. 4. I have lakes with no water, mountains with no stone and cities with no buildings. What am I?
Down
  1. 1. I am always hungry and will die if not fed, but whatever I touch will soon turn red. What am I?
  2. 2. What is so fragile that if you say its name it breaks it?
  3. 3. What goes through cities and fields, but never moves?