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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 811 · 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.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) a tray for spills (d) an empty bottle
  2. 2.⚖️ 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 kind of balloon (d) the same bottle
  3. 3.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  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.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a seed (d) baking soda
  6. 6.True or false: lemon juice is neutral. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  9. 9.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
  10. 10.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  11. 11.⚖️ 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 change it (c) we keep it the same
  12. 12.🫧 Which of these is an acid? (a) plain water (b) vinegar (c) soap solution (d) sugar water
  13. 13.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
  14. 14.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  15. 15.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  17. 17.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  18. 18.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  19. 19.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) baking soda water (d) curd
  20. 20.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  21. 21.🛟 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
  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.⚖️ 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
  24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) a mirror
  25. 25.True or false: detergent water is an acid. (a) False (b) True
  26. 26.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
  27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a balloon (d) a funnel or spoon
  28. 28.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) curd (d) baking soda water
  29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) sugar (d) baking soda
  30. 30.🔍 Which is the odd one out? (a) salt water (b) plain water (c) detergent water (d) sugar water
  31. 31.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) baking soda water (d) detergent water
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
  34. 34.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  35. 35.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  36. 36.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  37. 37.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
  38. 38.True or false: vinegar is an acid. (a) True (b) False
  39. 39.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  40. 40.True or false: lemon juice is an acid. (a) True (b) False

Answer key

  1. a comb
  2. spoons of baking soda
  3. True
  4. True
  5. baking soda
  6. False
  7. size of the balloon
  8. a base
  9. gas is made inside
  10. False
  11. we measure it
  12. vinegar
  13. lemon juice
  14. needed
  15. needed
  16. False
  17. not needed
  18. True
  19. baking soda water
  20. an acid
  21. keep it away from eyes
  22. True
  23. False
  24. a mirror
  25. False
  26. an ingredient ran out
  27. a battery cell
  28. curd
  29. sugar
  30. detergent water
  31. orange juice
  32. False
  33. carbon dioxide
  34. needed
  35. neutral
  36. False
  37. they react
  38. True
  39. False
  40. True

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