find the answer

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Across
  1. 2. a sport play it on the pith with a big ball
  2. 5. something not useful
  3. 8. read something funny
  4. 9. a place for do athletics
  5. 13. take....
  6. 16. it is something that flash has done int he story
  7. 19. a sport use board and do it in snow
  8. 21. protect your eyes
Down
  1. 1. we use net and a ball for this sport and play it on the court
  2. 3. see your family
  3. 4. protect your head
  4. 6. in tennis you hit the ball with ...
  5. 7. keep a book as a memory
  6. 10. a sport play it on a pitch use helmet and bat
  7. 11. throw away your trash in it
  8. 12. use something again
  9. 14. build a ...
  10. 15. walk on mountains
  11. 17. we should walk on this not on the flower
  12. 18. learn to...
  13. 20. a big kind fish lives in water