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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 630 · 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 is the odd one out? (a) plain water (b) orange juice (c) tamarind water (d) lemon juice
  2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  4. 4.🫧 Which of these is a base? (a) detergent water (b) curd (c) vinegar (d) orange juice
  5. 5.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  6. 6.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) an empty bottle (d) sugar
  8. 8.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) baking soda (d) a seed
  10. 10.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) the kind of balloon
  12. 12.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  13. 13.🫧 Which of these is neutral? (a) soap solution (b) orange juice (c) salt water (d) curd
  14. 14.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  15. 15.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) lemon juice (d) plain water
  16. 16.⚖️ 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 keep it the same (c) we change it
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a battery cell (d) a mirror
  18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  19. 19.⚖️ 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
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) baking soda (d) a tray for spills
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
  22. 22.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) an empty bottle (d) a mirror
  25. 25.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  26. 26.⚖️ 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
  27. 27.⚖️ 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 change it (c) we keep it the same
  28. 28.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
  29. 29.🫧 Which of these is neutral? (a) curd (b) plain water (c) lemon juice (d) baking soda water
  30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
  31. 31.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  32. 32.True or false: vinegar is an acid. (a) False (b) True
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a battery cell (d) a balloon
  34. 34.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  35. 35.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  36. 36.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  37. 37.True or false: sugar water is neutral. (a) True (b) False
  38. 38.True or false: salt water is neutral. (a) False (b) True
  39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) baking soda (d) a mirror
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a battery cell (d) a mirror

Answer key

  1. plain water
  2. it grows bigger
  3. True
  4. detergent water
  5. not needed
  6. False
  7. sugar
  8. neutral
  9. baking soda
  10. not needed
  11. size of the balloon
  12. an acid
  13. salt water
  14. True
  15. lemon juice
  16. we keep it the same
  17. an empty bottle
  18. a base
  19. False
  20. a battery cell
  21. the kind of balloon
  22. yes, a new gas forms
  23. we keep it the same
  24. a mirror
  25. False
  26. True
  27. we keep it the same
  28. gas is made inside
  29. plain water
  30. very little fizzing
  31. True
  32. True
  33. a balloon
  34. needed
  35. neutral
  36. not needed
  37. True
  38. True
  39. a mirror
  40. a tray for spills

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