crossword puzzle

1234567
Across
  1. 1. Opposite of fast
  2. 3. You read it
  3. 5. A baby dog
  4. 6. A place you learn
  5. 7. A day after Monday
Down
  1. 1. Frozen water
  2. 2. Large body of water
  3. 3. Used to write
  4. 4. Star at the centre of our solar system
  5. 5. Opposite of hot