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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 553 · 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 neutral? (a) salt water (b) orange juice (c) tamarind water (d) curd
  2. 2.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
  3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the same bottle
  5. 5.True or false: tamarind water is a base. (a) True (b) False
  6. 6.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  7. 7.True or false: curd is neutral. (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) curd (d) orange juice
  9. 9.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) baking soda (d) a seed
  11. 11.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) curd (d) salt water
  12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a battery cell (d) baking soda
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) size of the balloon (d) spoons of baking soda
  14. 14.True or false: vinegar is an acid. (a) True (b) False
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
  16. 16.True or false: plain water is neutral. (a) True (b) False
  17. 17.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  18. 18.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  19. 19.🫧 Which of these is a base? (a) lemon juice (b) curd (c) orange juice (d) soap solution
  20. 20.True or false: soap solution is an acid. (a) True (b) False
  21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
  23. 23.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) baking soda water (d) detergent water
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a magnet (d) baking soda
  25. 25.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  26. 26.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a balloon (d) a comb
  28. 28.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
  30. 30.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a funnel or spoon (c) vinegar (d) an empty bottle
  32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) baking soda (d) a magnet
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  34. 34.True or false: salt water is a base. (a) False (b) True
  35. 35.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  36. 36.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  37. 37.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a mirror (d) a tray for spills
  40. 40.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False

Answer key

  1. salt water
  2. yes, a new gas forms
  3. rinse with clean water
  4. the same bottle
  5. False
  6. True
  7. False
  8. salt water
  9. needed
  10. a seed
  11. curd
  12. a battery cell
  13. spoons of baking soda
  14. True
  15. we keep it the same
  16. True
  17. an acid
  18. not needed
  19. soap solution
  20. False
  21. it grows bigger
  22. we measure it
  23. tamarind water
  24. a magnet
  25. needed
  26. needed
  27. a comb
  28. not needed
  29. we keep it the same
  30. not needed
  31. a battery cell
  32. a magnet
  33. True
  34. False
  35. neutral
  36. an acid
  37. an acid
  38. False
  39. a mirror
  40. False

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