Complete the crossword

123456789101112
Across
  1. 3. to send something through the air
  2. 4. to go up or onto the top of something
  3. 7. very old
  4. 8. difficult
  5. 9. a water sport
  6. 11. take part in a competition
  7. 12. an organised event where people try to win
Down
  1. 1. People who take part in an activity
  2. 2. different/not familiar
  3. 5. healthy
  4. 6. something bad happens
  5. 8. the place where golf is played
  6. 10. chance