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Baking Soda and Vinegar Experiment Worksheet

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

Answer key

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

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