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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 63 · 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) lemon juice (b) vinegar (c) tamarind water (d) soap solution
  2. 2.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
  3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
  4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
  5. 5.⚖️ 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
  6. 6.True or false: salt water is a base. (a) False (b) True
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  8. 8.True or false: plain water is neutral. (a) True (b) False
  9. 9.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  10. 10.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  11. 11.⚖️ 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
  12. 12.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
  14. 14.🫧 Which of these is a base? (a) salt water (b) curd (c) orange juice (d) baking soda water
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
  16. 16.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  17. 17.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  18. 18.⚖️ 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
  19. 19.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  20. 20.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) curd (b) salt water (c) sugar water (d) plain water
  22. 22.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  23. 23.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) soap solution (d) baking soda water
  24. 24.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
  25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a mirror (d) a comb
  26. 26.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  27. 27.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  28. 28.🫧 Which of these is neutral? (a) tamarind water (b) plain water (c) detergent water (d) vinegar
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the kind of balloon
  30. 30.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  31. 31.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
  33. 33.True or false: curd is a base. (a) False (b) True
  34. 34.🫧 Which of these is an acid? (a) salt water (b) curd (c) soap solution (d) sugar water
  35. 35.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) salt water (d) detergent water
  36. 36.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) a tray for spills (d) baking soda
  38. 38.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  39. 39.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) orange juice (d) detergent water
  40. 40.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) plain water (d) orange juice

Answer key

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

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