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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 467 · 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.⚖️ 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
  2. 2.🔮 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
  3. 3.🫧 Which of these is neutral? (a) detergent water (b) soap solution (c) baking soda water (d) sugar water
  4. 4.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  5. 5.⚖️ 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
  6. 6.⚖️ 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
  7. 7.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  8. 8.True or false: orange juice is an acid. (a) True (b) False
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) a tray for spills (d) baking soda
  10. 10.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) an empty bottle (d) baking soda
  12. 12.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  13. 13.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
  15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) an empty bottle (d) baking soda
  16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
  17. 17.🔮 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
  18. 18.True or false: sugar water is an acid. (a) True (b) False
  19. 19.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
  21. 21.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
  22. 22.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  23. 23.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
  24. 24.⚖️ 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) True (b) False
  25. 25.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  26. 26.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) lemon juice (d) tamarind water
  27. 27.True or false: detergent water is an acid. (a) False (b) True
  28. 28.🫧 Which of these is a base? (a) salt water (b) detergent water (c) curd (d) orange juice
  29. 29.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  30. 30.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
  31. 31.True or false: lemon juice is an acid. (a) False (b) True
  32. 32.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
  33. 33.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) salt water (d) lemon juice
  34. 34.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) vinegar (d) a magnet
  35. 35.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a mirror (d) a tray for spills
  37. 37.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) soap solution (d) curd
  38. 38.True or false: vinegar is a base. (a) False (b) True
  39. 39.⚖️ 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
  40. 40.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False

Answer key

  1. we keep it the same
  2. it grows bigger
  3. sugar water
  4. True
  5. we keep it the same
  6. False
  7. not needed
  8. True
  9. a seed
  10. neutral
  11. sugar
  12. needed
  13. an acid
  14. the same bottle
  15. a magnet
  16. rinse with clean water
  17. an ingredient ran out
  18. False
  19. not needed
  20. size of the balloon
  21. gas is made inside
  22. not needed
  23. True
  24. False
  25. not needed
  26. sugar water
  27. False
  28. detergent water
  29. an acid
  30. carbon dioxide
  31. True
  32. lots of fizzy bubbles
  33. lemon juice
  34. vinegar
  35. False
  36. a tray for spills
  37. curd
  38. False
  39. True
  40. True

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