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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 235 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
  2. 2.⚖️ 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 same bottle (c) spoons of baking soda
  3. 3.⚖️ 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
  4. 4.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  5. 5.⚖️ 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 change it (c) we keep it the same
  6. 6.True or false: vinegar is an acid. (a) True (b) False
  7. 7.⚖️ 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) False (b) True
  8. 8.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) vinegar (d) curd
  9. 9.True or false: tamarind water is neutral. (a) True (b) False
  10. 10.True or false: salt water is neutral. (a) True (b) False
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) sugar
  12. 12.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a mirror (d) a tray for spills
  14. 14.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
  16. 16.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  17. 17.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
  18. 18.True or false: baking soda water is a base. (a) False (b) True
  19. 19.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  20. 20.🫧 Which of these is neutral? (a) lemon juice (b) vinegar (c) curd (d) plain water
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
  22. 22.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  23. 23.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  24. 24.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  25. 25.⚖️ 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
  26. 26.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  28. 28.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  29. 29.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  30. 30.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  31. 31.🫧 Which of these is neutral? (a) soap solution (b) baking soda water (c) sugar water (d) curd
  32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a seed (d) a balloon
  33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a comb (d) a funnel or spoon
  34. 34.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) baking soda water (d) plain water
  35. 35.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) sugar (d) a seed
  37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a magnet (d) a battery cell
  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) False (b) True
  39. 39.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a mirror (d) a tray for spills
  40. 40.🫧 Which of these is a base? (a) tamarind water (b) plain water (c) lemon juice (d) detergent water

Answer key

  1. it grows bigger
  2. the same bottle
  3. we keep it the same
  4. an acid
  5. we change it
  6. True
  7. False
  8. baking soda water
  9. False
  10. True
  11. sugar
  12. an acid
  13. a mirror
  14. True
  15. carbon dioxide
  16. not needed
  17. an ingredient ran out
  18. True
  19. False
  20. plain water
  21. we keep it the same
  22. an acid
  23. False
  24. False
  25. True
  26. needed
  27. an acid
  28. not needed
  29. False
  30. neutral
  31. sugar water
  32. a balloon
  33. a comb
  34. orange juice
  35. True
  36. vinegar
  37. an empty bottle
  38. False
  39. a tray for spills
  40. detergent water

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