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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 256 · 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: orange juice is an acid. (a) False (b) True
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
  3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  5. 5.True or false: salt water is a base. (a) True (b) False
  6. 6.True or false: lemon juice is an acid. (a) True (b) False
  7. 7.🫧 Which of these is neutral? (a) soap solution (b) tamarind water (c) salt water (d) lemon juice
  8. 8.🔍 Which is the odd one out? (a) soap solution (b) curd (c) vinegar (d) tamarind water
  9. 9.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) salt water
  10. 10.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  11. 11.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
  12. 12.True or false: salt water is an acid. (a) True (b) False
  13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) a funnel or spoon (d) a balloon
  16. 16.⚖️ 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
  17. 17.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) soap solution (d) curd
  18. 18.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  19. 19.🔍 Which is the odd one out? (a) tamarind water (b) detergent water (c) soap solution (d) baking soda water
  20. 20.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  21. 21.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
  22. 22.⚖️ 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
  23. 23.True or false: salt water is neutral. (a) False (b) True
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) the same bottle
  25. 25.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) sugar (d) vinegar
  27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) vinegar (c) baking soda (d) a funnel or spoon
  28. 28.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  29. 29.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
  31. 31.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
  32. 32.🫧 Which of these is neutral? (a) baking soda water (b) lemon juice (c) plain water (d) vinegar
  33. 33.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
  34. 34.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
  35. 35.⚖️ 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
  36. 36.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) plain water (d) salt water
  37. 37.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) baking soda (d) vinegar
  39. 39.True or false: lemon juice is neutral. (a) True (b) False
  40. 40.⚖️ 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

Answer key

  1. True
  2. spoons of baking soda
  3. not needed
  4. True
  5. False
  6. True
  7. salt water
  8. soap solution
  9. salt water
  10. neutral
  11. rinse with clean water
  12. False
  13. needed
  14. False
  15. a magnet
  16. we change it
  17. curd
  18. needed
  19. tamarind water
  20. needed
  21. gas is made inside
  22. we measure it
  23. True
  24. size of the balloon
  25. True
  26. sugar
  27. a magnet
  28. False
  29. False
  30. keep it away from eyes
  31. yes, a new gas forms
  32. plain water
  33. they react
  34. an ingredient ran out
  35. True
  36. baking soda water
  37. True
  38. a comb
  39. False
  40. False

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