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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 21 · 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) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
  3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  4. 4.⚖️ 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
  5. 5.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  6. 6.True or false: detergent water is an acid. (a) False (b) True
  7. 7.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
  9. 9.⚖️ 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
  10. 10.True or false: plain water is an acid. (a) False (b) True
  11. 11.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) orange juice (b) soap solution (c) detergent water (d) baking soda water
  14. 14.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  15. 15.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  16. 16.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  17. 17.True or false: lemon juice is an acid. (a) True (b) False
  18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a mirror
  19. 19.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  20. 20.True or false: soap solution is a base. (a) False (b) True
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
  22. 22.⚖️ 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
  23. 23.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  24. 24.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  25. 25.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) curd
  26. 26.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) sugar water (d) vinegar
  27. 27.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  28. 28.True or false: curd is an acid. (a) True (b) False
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
  30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) vinegar (d) a funnel or spoon
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a funnel or spoon (d) a seed
  32. 32.🫧 Which of these is an acid? (a) detergent water (b) tamarind water (c) salt water (d) plain water
  33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a tray for spills (d) sugar
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) baking soda water (d) detergent water
  36. 36.⚖️ 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
  37. 37.⚖️ 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
  38. 38.True or false: sugar water is neutral. (a) False (b) True
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) sugar (d) a tray for spills

Answer key

  1. rinse with clean water
  2. keep it away from eyes
  3. very little fizzing
  4. we measure it
  5. False
  6. False
  7. needed
  8. it grows bigger
  9. we change it
  10. False
  11. True
  12. True
  13. orange juice
  14. True
  15. False
  16. False
  17. True
  18. a mirror
  19. an acid
  20. True
  21. spoons of baking soda
  22. we keep it the same
  23. False
  24. an acid
  25. curd
  26. vinegar
  27. a base
  28. True
  29. False
  30. a comb
  31. a seed
  32. tamarind water
  33. sugar
  34. False
  35. plain water
  36. we keep it the same
  37. the same bottle
  38. True
  39. size of the balloon
  40. a tray for spills

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