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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 916 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
  2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
  3. 3.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  4. 4.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
  6. 6.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
  7. 7.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) plain water (d) vinegar
  8. 8.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  9. 9.True or false: salt water is neutral. (a) True (b) False
  10. 10.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
  11. 11.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) plain water (d) sugar water
  12. 12.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  13. 13.True or false: lemon juice is neutral. (a) False (b) True
  14. 14.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they freeze (d) they become magnets
  17. 17.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
  18. 18.⚖️ 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
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) sugar (d) a balloon
  20. 20.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) vinegar (d) detergent water
  22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
  23. 23.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  24. 24.⚖️ 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
  25. 25.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a magnet (d) a comb
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) baking soda (d) an empty bottle
  27. 27.True or false: lemon juice is an acid. (a) True (b) False
  28. 28.True or false: orange juice is an acid. (a) True (b) False
  29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a balloon (c) a battery cell (d) sugar
  30. 30.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) a tray for spills (d) a balloon
  32. 32.⚖️ 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
  33. 33.True or false: salt water is a base. (a) False (b) True
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
  36. 36.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  37. 37.True or false: orange juice is neutral. (a) True (b) False
  38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  39. 39.⚖️ 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
  40. 40.🫧 Which of these is an acid? (a) sugar water (b) curd (c) salt water (d) soap solution

Answer key

  1. we keep it the same
  2. it grows bigger
  3. a base
  4. True
  5. keep it away from eyes
  6. very little fizzing
  7. vinegar
  8. needed
  9. True
  10. an ingredient ran out
  11. lemon juice
  12. False
  13. False
  14. True
  15. a base
  16. they react
  17. rinse with clean water
  18. the amount of vinegar
  19. sugar
  20. True
  21. detergent water
  22. carbon dioxide
  23. False
  24. the same bottle
  25. baking soda
  26. a seed
  27. True
  28. True
  29. a balloon
  30. needed
  31. a comb
  32. False
  33. False
  34. False
  35. the kind of balloon
  36. neutral
  37. False
  38. True
  39. True
  40. curd

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