Difference

123456
Across
  1. 2. To become different (6 letters)
  2. 5. Creating something new and useful (10 letters)
  3. 6. A big change in form or nature (13 letters)
Down
  1. 1. Making a small change to something (10 letters)
  2. 3. Changing to fit new conditions (10 letters)
  3. 4. Wearing away of something over time (7 letters)