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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 524 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) a tray for spills (d) a funnel or spoon
  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.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  4. 4.True or false: curd is an acid. (a) True (b) False
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
  6. 6.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  7. 7.True or false: orange juice is an acid. (a) False (b) True
  8. 8.🫧 Which of these is an acid? (a) plain water (b) vinegar (c) detergent water (d) sugar water
  9. 9.True or false: detergent water is a base. (a) False (b) True
  10. 10.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
  12. 12.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  13. 13.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  14. 14.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a funnel or spoon (d) baking soda
  16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) a tray for spills (d) an empty bottle
  17. 17.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  18. 18.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  19. 19.🔮 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
  20. 20.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  21. 21.True or false: sugar water is a base. (a) True (b) False
  22. 22.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) curd (d) sugar water
  23. 23.⚖️ 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
  24. 24.True or false: vinegar is an acid. (a) True (b) False
  25. 25.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  26. 26.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
  27. 27.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  28. 28.⚖️ 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
  29. 29.⚖️ 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
  30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a magnet (d) a tray for spills
  31. 31.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) plain water
  32. 32.⚖️ 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 keep it the same (c) we change it
  33. 33.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) salt water (d) baking soda water
  34. 34.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) size of the balloon (d) spoons of baking soda
  36. 36.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  37. 37.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  38. 38.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
  39. 39.⚖️ 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 same bottle (c) the kind of balloon (d) size of the balloon
  40. 40.True or false: soap solution is neutral. (a) False (b) True

Answer key

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

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