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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 213 · 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 safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
  2. 2.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  3. 3.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
  5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a seed (d) a comb
  6. 6.True or false: curd is a base. (a) True (b) False
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
  8. 8.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  9. 9.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
  10. 10.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  11. 11.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  12. 12.🔮 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
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) sugar (d) a balloon
  14. 14.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  15. 15.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) tamarind water (d) salt water
  16. 16.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) a tray for spills (d) vinegar
  18. 18.🔮 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
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
  20. 20.⚖️ 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 measure it (c) we change it
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
  22. 22.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  23. 23.⚖️ 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
  24. 24.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  25. 25.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) curd
  27. 27.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  28. 28.True or false: soap solution is a base. (a) True (b) False
  29. 29.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  30. 30.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  31. 31.True or false: salt water is an acid. (a) False (b) True
  32. 32.🫧 Which of these is an acid? (a) salt water (b) curd (c) sugar water (d) baking soda water
  33. 33.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) vinegar (d) plain water
  34. 34.⚖️ 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
  35. 35.True or false: plain water is an acid. (a) False (b) True
  36. 36.True or false: detergent water is neutral. (a) False (b) True
  37. 37.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  38. 38.True or false: curd is an acid. (a) False (b) True
  39. 39.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a tray for spills (d) a mirror

Answer key

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

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