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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 251 · 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 is the odd one out? (a) soap solution (b) baking soda water (c) curd (d) detergent water
  2. 2.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
  3. 3.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  4. 4.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) curd (d) salt water
  5. 5.🫧 Which of these is neutral? (a) vinegar (b) plain water (c) soap solution (d) orange juice
  6. 6.True or false: sugar water is an acid. (a) False (b) True
  7. 7.True or false: baking soda water is neutral. (a) True (b) False
  8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
  9. 9.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) lemon juice (d) curd
  10. 10.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) lemon juice (d) vinegar
  11. 11.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
  13. 13.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  14. 14.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a mirror (d) a seed
  15. 15.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) plain water (d) vinegar
  16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) an empty bottle (d) a balloon
  17. 17.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  18. 18.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  19. 19.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  20. 20.True or false: vinegar is a base. (a) False (b) True
  21. 21.⚖️ 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 change it (c) we keep it the same
  22. 22.True or false: orange juice is neutral. (a) True (b) False
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
  24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
  25. 25.⚖️ 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
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
  27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) sugar (d) a magnet
  28. 28.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) orange juice
  29. 29.⚖️ 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
  30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
  31. 31.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) curd (d) soap solution
  32. 32.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  33. 33.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  34. 34.True or false: soap solution is a base. (a) True (b) False
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  36. 36.True or false: lemon juice is a base. (a) True (b) False
  37. 37.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) the kind of balloon
  38. 38.True or false: tamarind water is an acid. (a) True (b) False
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a balloon (d) a comb
  40. 40.🫧 Which of these is a base? (a) lemon juice (b) sugar water (c) orange juice (d) soap solution

Answer key

  1. curd
  2. gas is made inside
  3. not needed
  4. salt water
  5. plain water
  6. False
  7. False
  8. keep it away from eyes
  9. detergent water
  10. baking soda water
  11. not needed
  12. size of the balloon
  13. needed
  14. baking soda
  15. plain water
  16. sugar
  17. False
  18. neutral
  19. needed
  20. False
  21. we keep it the same
  22. False
  23. False
  24. it grows bigger
  25. we keep it the same
  26. True
  27. vinegar
  28. orange juice
  29. True
  30. very little fizzing
  31. curd
  32. needed
  33. a base
  34. True
  35. True
  36. False
  37. spoons of baking soda
  38. True
  39. a comb
  40. soap solution

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