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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 228 · 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 a base? (a) salt water (b) vinegar (c) soap solution (d) sugar water
  2. 2.🫧 Which of these is neutral? (a) curd (b) detergent water (c) vinegar (d) salt water
  3. 3.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
  5. 5.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  6. 6.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  7. 7.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) an empty bottle (d) a funnel or spoon
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
  10. 10.True or false: soap solution is a base. (a) False (b) True
  11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) a mirror (d) a balloon
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
  14. 14.True or false: detergent water is a base. (a) False (b) True
  15. 15.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  16. 16.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
  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) a tray for spills (d) an empty bottle
  19. 19.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) baking soda water (d) sugar water
  20. 20.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) curd (d) plain water
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) sugar (d) an empty bottle
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a magnet (d) a seed
  24. 24.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) tamarind water
  25. 25.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) vinegar (d) tamarind water
  26. 26.⚖️ 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
  27. 27.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) curd (d) orange juice
  28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a battery cell (d) a comb
  29. 29.True or false: salt water is a base. (a) True (b) False
  30. 30.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  31. 31.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
  32. 32.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  33. 33.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
  34. 34.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  35. 35.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  36. 36.🫧 Which of these is neutral? (a) vinegar (b) plain water (c) tamarind water (d) lemon juice
  37. 37.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  39. 39.⚖️ 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 change it (c) we measure it
  40. 40.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid

Answer key

  1. soap solution
  2. salt water
  3. an ingredient ran out
  4. spoons of baking soda
  5. a base
  6. needed
  7. False
  8. a comb
  9. we keep it the same
  10. True
  11. a mirror
  12. True
  13. False
  14. True
  15. True
  16. an acid
  17. very little fizzing
  18. a seed
  19. sugar water
  20. curd
  21. the same bottle
  22. an empty bottle
  23. baking soda
  24. tamarind water
  25. detergent water
  26. we measure it
  27. plain water
  28. a balloon
  29. False
  30. False
  31. yes, a new gas forms
  32. a base
  33. they react
  34. not needed
  35. needed
  36. plain water
  37. False
  38. needed
  39. we change it
  40. an acid

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