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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 62 · 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.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the gas froze (d) the balloon got cold
  2. 2.⚖️ 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
  3. 3.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a tray for spills (d) an empty bottle
  5. 5.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
  7. 7.🛟 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
  8. 8.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) soap solution (d) sugar water
  9. 9.True or false: curd is neutral. (a) False (b) True
  10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) baking soda (d) a balloon
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the same bottle
  13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a balloon (d) an empty bottle
  14. 14.True or false: plain water is neutral. (a) True (b) False
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
  16. 16.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  18. 18.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  19. 19.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a tray for spills (d) baking soda
  21. 21.🫧 Which of these is neutral? (a) soap solution (b) detergent water (c) sugar water (d) vinegar
  22. 22.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  23. 23.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) vinegar (d) a tray for spills
  25. 25.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
  27. 27.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  28. 28.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) plain water (d) curd
  30. 30.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
  32. 32.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  33. 33.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) orange juice (d) sugar water
  34. 34.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  35. 35.True or false: vinegar is neutral. (a) False (b) True
  36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a battery cell (d) baking soda
  37. 37.🧺 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 mirror (d) an empty bottle
  38. 38.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) orange juice (d) tamarind water
  40. 40.⚖️ 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

Answer key

  1. an ingredient ran out
  2. True
  3. neutral
  4. sugar
  5. an acid
  6. carbon dioxide
  7. rinse with clean water
  8. tamarind water
  9. False
  10. a comb
  11. True
  12. size of the balloon
  13. a magnet
  14. True
  15. we change it
  16. False
  17. needed
  18. False
  19. a base
  20. a battery cell
  21. sugar water
  22. needed
  23. a base
  24. a magnet
  25. it grows bigger
  26. the kind of balloon
  27. not needed
  28. False
  29. plain water
  30. False
  31. we measure it
  32. needed
  33. orange juice
  34. True
  35. False
  36. a battery cell
  37. a mirror
  38. False
  39. detergent water
  40. False

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