'tion' and 'sion'

12345678910111213141516
Across
  1. 1. Part of something bigger.
  2. 3. You ask this to get an answer.
  3. 5. TV is an abbreviation for this.
  4. 8. When rubbish is not thrown into bins you have this.
  5. 10. Halves, quarters and eighths are all types of this.
  6. 12. The opposite of subtraction.
  7. 13. Another word for an answer to a problem.
  8. 14. What an inventor creates.
  9. 16. The train stops here.
Down
  1. 2. The state of being confused.
  2. 4. You are doing this when you revise your notes.
  3. 6. What you get when you come to school.
  4. 7. Another word for data.
  5. 9. The opposite of being still.
  6. 11. Relating to a country.
  7. 15. The part of the library where you will find stories.