Balloon Expansion

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Across
  1. 3. citricacid
  2. 4. experiment
  3. 8. bicarbonate
  4. 9. expansion
  5. 10. sodium
Down
  1. 1. waterbottle
  2. 2. science
  3. 5. rubberband
  4. 6. balloons
  5. 7. kaboom