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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 819 · 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) an empty bottle (b) a mirror (c) a funnel or spoon (d) baking soda
  2. 2.True or false: vinegar is an acid. (a) True (b) False
  3. 3.⚖️ 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) False (b) True
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a mirror (d) a balloon
  5. 5.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
  6. 6.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
  7. 7.🔍 Which is the odd one out? (a) plain water (b) lemon juice (c) vinegar (d) tamarind water
  8. 8.🔮 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
  9. 9.⚖️ 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
  10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a balloon (d) a mirror
  11. 11.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  12. 12.True or false: baking soda water is an acid. (a) False (b) True
  13. 13.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
  15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) vinegar (d) a battery cell
  17. 17.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
  18. 18.🔍 Which is the odd one out? (a) curd (b) sugar water (c) orange juice (d) tamarind water
  19. 19.⚖️ 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) False (b) True
  20. 20.🔍 Which is the odd one out? (a) detergent water (b) orange juice (c) soap solution (d) baking soda water
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a comb (d) a tray for spills
  22. 22.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  23. 23.True or false: tamarind water is a base. (a) True (b) False
  24. 24.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  25. 25.⚖️ 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
  26. 26.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  27. 27.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the bottle got tired (d) the gas froze
  28. 28.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) soap solution
  29. 29.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  30. 30.🫧 Which of these is neutral? (a) sugar water (b) lemon juice (c) curd (d) soap solution
  31. 31.⚖️ 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
  32. 32.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  34. 34.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a battery cell (d) vinegar
  35. 35.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  36. 36.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) vinegar (d) a seed
  38. 38.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  39. 39.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  40. 40.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed

Answer key

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

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