Starts with f

12345678
Across
  1. 3. number after fourteen
  2. 5. rest on the surface of water
  3. 6. not real
  4. 8. growing crops and animals
Down
  1. 1. digit on your hand
  2. 2. what a person uses to stand or walk
  3. 4. opposite of back
  4. 5. second month of the year
  5. 7. day after Thursday
  6. 8. moves at high speed