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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 155 · 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.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  2. 2.⚖️ 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
  3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
  4. 4.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a magnet (d) a balloon
  6. 6.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  7. 7.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) vinegar (d) a funnel or spoon
  9. 9.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  10. 10.True or false: plain water is an acid. (a) True (b) False
  11. 11.⚖️ 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
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
  13. 13.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  14. 14.True or false: detergent water is an acid. (a) True (b) False
  15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
  17. 17.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
  19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a funnel or spoon (d) baking soda
  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 measure it (c) we keep it the same
  21. 21.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  22. 22.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it grows bigger (d) it shrinks
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) sugar (d) baking soda
  25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  28. 28.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  29. 29.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) sugar water (d) detergent water
  30. 30.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) baking soda water (d) soap solution
  31. 31.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  32. 32.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  33. 33.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  34. 34.🫧 Which of these is neutral? (a) detergent water (b) orange juice (c) plain water (d) lemon juice
  35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a magnet (d) an empty bottle
  36. 36.⚖️ 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) True (b) False
  37. 37.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  38. 38.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  39. 39.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False

Answer key

  1. needed
  2. False
  3. very little fizzing
  4. an acid
  5. a balloon
  6. False
  7. an ingredient ran out
  8. a comb
  9. True
  10. False
  11. False
  12. we keep it the same
  13. needed
  14. False
  15. yes, a new gas forms
  16. we keep it the same
  17. True
  18. rinse with clean water
  19. a mirror
  20. we keep it the same
  21. False
  22. not needed
  23. it grows bigger
  24. sugar
  25. keep it away from eyes
  26. False
  27. False
  28. neutral
  29. sugar water
  30. salt water
  31. needed
  32. True
  33. not needed
  34. plain water
  35. an empty bottle
  36. True
  37. not needed
  38. needed
  39. neutral
  40. False

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