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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 115 · 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.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  2. 2.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  3. 3.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
  5. 5.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  6. 6.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  7. 7.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  8. 8.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
  9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
  10. 10.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
  12. 12.⚖️ 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
  13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a funnel or spoon (d) a battery cell
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a seed (d) a balloon
  15. 15.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  16. 16.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
  17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
  18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) an empty bottle (d) sugar
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) tamarind water (b) detergent water (c) curd (d) vinegar
  21. 21.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  22. 22.⚖️ 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
  23. 23.True or false: curd is an acid. (a) False (b) True
  24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a magnet (d) vinegar
  26. 26.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
  28. 28.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  29. 29.⚖️ 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
  30. 30.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) sugar water (d) detergent water
  31. 31.🔍 Which is the odd one out? (a) plain water (b) salt water (c) orange juice (d) sugar water
  32. 32.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  33. 33.🫧 Which of these is neutral? (a) detergent water (b) curd (c) salt water (d) lemon juice
  34. 34.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  35. 35.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) tamarind water
  36. 36.True or false: lemon juice is neutral. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) lemon juice (d) salt water
  38. 38.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
  39. 39.🫧 Which of these is neutral? (a) curd (b) vinegar (c) orange juice (d) plain water
  40. 40.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base

Answer key

  1. a base
  2. True
  3. not needed
  4. we keep it the same
  5. an acid
  6. needed
  7. False
  8. rinse with clean water
  9. very little fizzing
  10. carbon dioxide
  11. False
  12. True
  13. a funnel or spoon
  14. a seed
  15. not needed
  16. an ingredient ran out
  17. it grows bigger
  18. sugar
  19. True
  20. detergent water
  21. needed
  22. True
  23. True
  24. keep it away from eyes
  25. a magnet
  26. not needed
  27. True
  28. needed
  29. we keep it the same
  30. lemon juice
  31. orange juice
  32. True
  33. salt water
  34. neutral
  35. tamarind water
  36. False
  37. salt water
  38. gas is made inside
  39. plain water
  40. a base

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