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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 412 · 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) tamarind water (b) plain water (c) baking soda water (d) vinegar
  2. 2.True or false: sugar water is an acid. (a) False (b) True
  3. 3.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  4. 4.True or false: salt water is neutral. (a) False (b) True
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
  6. 6.🫧 Which of these is an acid? (a) orange juice (b) soap solution (c) baking soda water (d) plain water
  7. 7.True or false: a magnet 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) baking soda (b) a comb (c) a funnel or spoon (d) a balloon
  9. 9.🔍 Which is the odd one out? (a) plain water (b) curd (c) tamarind water (d) vinegar
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
  13. 13.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
  14. 14.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  15. 15.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  16. 16.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
  17. 17.⚖️ 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 measure it (c) we keep it the same
  18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
  19. 19.⚖️ 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 keep it the same (c) we measure it
  20. 20.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  21. 21.True or false: vinegar is a base. (a) False (b) True
  22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  23. 23.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  24. 24.True or false: tamarind water is neutral. (a) False (b) True
  25. 25.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  26. 26.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  27. 27.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) a magnet
  29. 29.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a seed (d) baking soda
  31. 31.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  32. 32.🫧 Which of these is a base? (a) vinegar (b) sugar water (c) tamarind water (d) soap solution
  33. 33.True or false: detergent water is an acid. (a) True (b) False
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.True or false: tamarind water is a base. (a) False (b) True
  36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) baking soda (d) a battery cell
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) a balloon
  38. 38.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  39. 39.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) curd (d) sugar water
  40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda

Answer key

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

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