Granny and Mummy's spectacularly HARD!!! crossword

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Across
  1. 2. you can travel a long way in this
  2. 5. a deadly landform which emits both magma and ash
  3. 7. type of storm you get in the deserts
  4. 8. has a trunk
  5. 11. the creator of this crossword
  6. 13. you can model things out of me
  7. 14. has black and white stripes
  8. 15. frozen water."I'm going to put some --- in my water
  9. 17. a tornado over water
  10. 19. this game has pawns,knights,castles/rooks
Down
  1. 1. gas that is emitted from the bottem
  2. 3. the continent you are currently standing/sitting on
  3. 4. the Australian capital territory
  4. 6. famous British ferriswheel
  5. 9. we live on it
  6. 10. a tropical storm that starts over water
  7. 12. granfies hobby
  8. 13. the thing you are filling in
  9. 16. ours is called Bob
  10. 18. a handheld source of light
  11. 20. big glowing ball of light