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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 713 · 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.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  2. 2.⚖️ 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
  3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) baking soda (d) a mirror
  4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  5. 5.True or false: vinegar is a base. (a) True (b) False
  6. 6.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) plain water (d) lemon juice
  7. 7.⚖️ 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
  8. 8.⚖️ 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 measure it (c) we keep it the same
  9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
  10. 10.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  11. 11.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
  14. 14.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) orange juice (d) vinegar
  16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
  17. 17.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
  18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) an empty bottle (d) a seed
  19. 19.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
  20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a battery cell (d) a funnel or spoon
  21. 21.True or false: detergent water is an acid. (a) True (b) False
  22. 22.True or false: tamarind water is neutral. (a) True (b) False
  23. 23.⚖️ 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
  24. 24.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  25. 25.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) vinegar (d) sugar
  27. 27.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) curd
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a tray for spills (d) an empty bottle
  30. 30.True or false: curd is a base. (a) True (b) False
  31. 31.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  32. 32.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) detergent water (d) soap solution
  33. 33.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  34. 34.🫧 Which of these is a base? (a) lemon juice (b) sugar water (c) baking soda water (d) orange juice
  35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a funnel or spoon (d) an empty bottle
  36. 36.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  37. 37.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
  39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid

Answer key

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

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