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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 620 · 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: salt water is neutral. (a) True (b) False
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a magnet
  3. 3.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  4. 4.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  5. 5.True or false: vinegar is a base. (a) True (b) False
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
  7. 7.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) plain water (d) sugar water
  8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
  9. 9.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) baking soda water (d) vinegar
  10. 10.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) plain water (d) sugar water
  11. 11.True or false: orange juice is a base. (a) True (b) False
  12. 12.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  13. 13.True or false: soap solution is neutral. (a) True (b) False
  14. 14.True or false: sugar water is an acid. (a) False (b) True
  15. 15.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  16. 16.⚖️ 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
  17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a seed (d) a tray for spills
  18. 18.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  19. 19.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) tamarind water (d) soap solution
  20. 20.⚖️ 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 keep it the same (c) we measure it
  21. 21.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
  22. 22.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
  23. 23.⚖️ 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 measure it (c) we change it
  24. 24.True or false: detergent water is neutral. (a) False (b) True
  25. 25.True or false: detergent water is an acid. (a) True (b) False
  26. 26.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  27. 27.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  28. 28.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  29. 29.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) curd
  31. 31.⚖️ 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
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
  33. 33.True or false: sugar water is neutral. (a) False (b) True
  34. 34.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  35. 35.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  36. 36.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) soap solution (d) detergent water
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a balloon (d) vinegar
  38. 38.True or false: plain water is neutral. (a) True (b) False
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) sugar (d) a funnel or spoon
  40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a balloon (d) a battery cell

Answer key

  1. True
  2. a magnet
  3. not needed
  4. needed
  5. False
  6. size of the balloon
  7. lemon juice
  8. keep it away from eyes
  9. sugar water
  10. detergent water
  11. False
  12. True
  13. False
  14. False
  15. gas is made inside
  16. False
  17. a seed
  18. a base
  19. tamarind water
  20. we keep it the same
  21. an ingredient ran out
  22. rinse with clean water
  23. we change it
  24. False
  25. False
  26. True
  27. not needed
  28. True
  29. True
  30. curd
  31. False
  32. the amount of vinegar
  33. True
  34. True
  35. not needed
  36. vinegar
  37. a mirror
  38. True
  39. sugar
  40. a battery cell

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