Spelling Star challenge

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Across
  1. 2. The lowermost portion of a structure partly or wholly below ground.
  2. 5. Any of various games played with a ball in which two teams try to kick, carry or propel the ball into each other’s goal.
  3. 6. An area of sand sloping down to the water of a sea or lake.
  4. 10. Mechanical device used as a plaything to support someone swinging back and forth
  5. 11. School work done outside school (especially at home)
  6. 14. A playhouse built in the branches of a tree.
  7. 15. The inside lower horizontal surface (as of a room, hallway, tent, or other structure).
  8. 16. A structure that has a roof and walls and stands more or less permanently in one place.
  9. 19. A movement up and down or back and forth.
  10. 20. A tubular wind instrument with 8 finger holes and a fipple mouthpiece.
Down
  1. 1. A learner who is enrolled in an educational institution
  2. 3. A protecting covering that covers the top of a building.
  3. 4. A card with words or numbers or pictures that is flashed to a class by the teacher
  4. 7. A breakfast food prepared from grain.
  5. 8. Lifting device consisting of a platform or cage that is raised and lowered mechanically in a vertical shaft in order to move people from one to another in a building.
  6. 9. Slices of bread that have been toasted.
  7. 12. A long plank balanced in the middle on a fixed support, on each end of which kids sit and swing up and down.
  8. 13. A piece of playground equipment consisting of a horizontally mounted overhead ladder
  9. 17. A land mass that is surrounded by water.
  10. 18. Arid land with little or no vegetation