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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 951 · 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) vinegar (b) detergent water (c) plain water (d) orange juice
  2. 2.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) tamarind water (d) baking soda water
  3. 3.True or false: sugar water is a base. (a) False (b) True
  4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
  6. 6.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  7. 7.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
  9. 9.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) lemon juice (d) detergent water
  10. 10.True or false: lemon juice is an acid. (a) True (b) False
  11. 11.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  12. 12.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) orange juice (d) vinegar
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
  14. 14.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) lemon juice
  15. 15.🔍 Which is the odd one out? (a) curd (b) sugar water (c) tamarind water (d) orange juice
  16. 16.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) baking soda (d) a funnel or spoon
  18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a funnel or spoon (c) vinegar (d) a tray for spills
  19. 19.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  20. 20.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
  21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) vinegar (d) a balloon
  22. 22.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a tray for spills (d) a battery cell
  24. 24.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) detergent water (d) curd
  25. 25.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  26. 26.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
  27. 27.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  29. 29.True or false: plain water is neutral. (a) False (b) True
  30. 30.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) an empty bottle (d) a magnet
  33. 33.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) detergent water (d) baking soda water
  34. 34.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
  35. 35.True or false: orange juice is a base. (a) False (b) True
  36. 36.🫧 Which of these is neutral? (a) salt water (b) soap solution (c) orange juice (d) detergent water
  37. 37.True or false: baking soda water is a base. (a) True (b) False
  38. 38.🫧 Which of these is a base? (a) sugar water (b) salt water (c) lemon juice (d) soap solution
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
  40. 40.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False

Answer key

  1. plain water
  2. baking soda water
  3. False
  4. rinse with clean water
  5. we keep it the same
  6. neutral
  7. False
  8. we change it
  9. lemon juice
  10. True
  11. a base
  12. detergent water
  13. spoons of baking soda
  14. lemon juice
  15. sugar water
  16. not needed
  17. a battery cell
  18. a seed
  19. False
  20. an ingredient ran out
  21. a comb
  22. not needed
  23. a tray for spills
  24. detergent water
  25. True
  26. very little fizzing
  27. an acid
  28. False
  29. True
  30. needed
  31. we keep it the same
  32. a magnet
  33. orange juice
  34. it grows bigger
  35. False
  36. salt water
  37. True
  38. soap solution
  39. we measure it
  40. True

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