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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 233 · 40 questions
TalentJR

What you do (Acid + base → gas): 1. Pour vinegar into the plastic bottle, standing on a tray. 2. Spoon two teaspoons of baking soda into the balloon. 3. Stretch the balloon over the bottle’s mouth, letting it hang to the side. 4. Lift the balloon so the soda drops in, and keep faces back.

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  1. 1.🫧 Which of these is neutral? (a) curd (b) baking soda water (c) lemon juice (d) salt water
  2. 2.True or false: baking soda water is an acid. (a) False (b) True
  3. 3.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  4. 4.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
  5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) a funnel or spoon (d) baking soda
  6. 6.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  7. 7.True or false: detergent water is a base. (a) True (b) False
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) the kind of balloon (d) size of the balloon
  9. 9.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  10. 10.True or false: baking soda water is neutral. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) curd (b) plain water (c) salt water (d) sugar water
  12. 12.True or false: orange juice is a base. (a) True (b) False
  13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a balloon (d) a battery cell
  14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a balloon (d) an empty bottle
  15. 15.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) detergent water
  16. 16.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  18. 18.True or false: soap solution is a base. (a) False (b) True
  19. 19.True or false: curd is neutral. (a) False (b) True
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) sugar (d) a funnel or spoon
  22. 22.🫧 Which of these is neutral? (a) plain water (b) orange juice (c) tamarind water (d) vinegar
  23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a balloon (d) a seed
  24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) vinegar (d) a balloon
  25. 25.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  26. 26.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
  29. 29.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) plain water (d) lemon juice
  30. 30.🫧 Which of these is a base? (a) soap solution (b) curd (c) orange juice (d) vinegar
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
  32. 32.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) sugar (d) a seed
  34. 34.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
  35. 35.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
  39. 39.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) curd (d) sugar water
  40. 40.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed

Answer key

  1. salt water
  2. False
  3. False
  4. they react
  5. a battery cell
  6. an acid
  7. True
  8. size of the balloon
  9. True
  10. False
  11. curd
  12. False
  13. a balloon
  14. sugar
  15. detergent water
  16. neutral
  17. needed
  18. True
  19. False
  20. we keep it the same
  21. a funnel or spoon
  22. plain water
  23. a seed
  24. a magnet
  25. an acid
  26. an ingredient ran out
  27. True
  28. it grows bigger
  29. lemon juice
  30. soap solution
  31. we keep it the same
  32. True
  33. baking soda
  34. rinse with clean water
  35. plain water
  36. False
  37. we measure it
  38. the kind of balloon
  39. sugar water
  40. not needed

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