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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 245 · 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 a base? (a) orange juice (b) salt water (c) tamarind water (d) baking soda water
  2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
  3. 3.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
  5. 5.True or false: lemon juice is an acid. (a) False (b) True
  6. 6.True or false: lemon juice is a base. (a) False (b) True
  7. 7.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
  8. 8.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
  10. 10.⚖️ 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 keep it the same (c) we measure it
  11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) baking soda (d) a balloon
  12. 12.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  13. 13.True or false: vinegar is an acid. (a) False (b) True
  14. 14.⚖️ 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
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  16. 16.True or false: a comb 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 funnel or spoon (b) a tray for spills (c) a battery cell (d) baking soda
  18. 18.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  19. 19.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a comb (c) a magnet (d) a seed
  20. 20.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) orange juice (d) tamarind water
  21. 21.True or false: tamarind water is an acid. (a) False (b) True
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
  23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) vinegar (c) a balloon (d) an empty bottle
  24. 24.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  25. 25.⚖️ 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
  26. 26.🫧 Which of these is an acid? (a) tamarind water (b) detergent water (c) sugar water (d) soap solution
  27. 27.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) vinegar (d) soap solution
  28. 28.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  29. 29.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  30. 30.True or false: tamarind water is neutral. (a) True (b) False
  31. 31.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  32. 32.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  33. 33.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
  34. 34.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) baking soda (d) a funnel or spoon
  36. 36.True or false: sugar water is neutral. (a) False (b) True
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a comb (d) an empty bottle
  38. 38.⚖️ 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
  39. 39.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a seed (d) sugar

Answer key

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

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