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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 345 · 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.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
  3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a comb (d) baking soda
  4. 4.⚖️ 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
  5. 5.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) curd (d) sugar water
  6. 6.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) salt water (d) detergent water
  7. 7.🛟 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
  8. 8.⚖️ 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
  9. 9.⚖️ 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
  10. 10.⚖️ 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 measure it (c) we keep it the same
  11. 11.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  12. 12.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) salt water (d) soap solution
  13. 13.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
  15. 15.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  16. 16.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a magnet (c) sugar (d) a mirror
  18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a balloon (d) a mirror
  19. 19.⚖️ 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
  20. 20.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
  21. 21.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a tray for spills (d) a mirror
  23. 23.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  24. 24.📘 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 melting (d) it is only dissolving
  25. 25.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
  27. 27.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  28. 28.True or false: salt water is a base. (a) True (b) False
  29. 29.🫧 Which of these is a base? (a) orange juice (b) vinegar (c) baking soda water (d) curd
  30. 30.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  31. 31.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) tamarind water (d) plain water
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a funnel or spoon (d) a magnet
  33. 33.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  34. 34.🛟 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
  35. 35.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  36. 36.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  38. 38.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  39. 39.🔍 Which is the odd one out? (a) vinegar (b) sugar water (c) lemon juice (d) orange juice
  40. 40.⚖️ 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

Answer key

  1. needed
  2. it grows bigger
  3. a comb
  4. the kind of balloon
  5. sugar water
  6. salt water
  7. keep it away from eyes
  8. False
  9. True
  10. we keep it the same
  11. not needed
  12. salt water
  13. needed
  14. they react
  15. an acid
  16. a base
  17. vinegar
  18. a mirror
  19. we keep it the same
  20. an ingredient ran out
  21. False
  22. a tray for spills
  23. True
  24. yes, a new gas forms
  25. an acid
  26. spoons of baking soda
  27. an acid
  28. False
  29. baking soda water
  30. True
  31. tamarind water
  32. a magnet
  33. neutral
  34. rinse with clean water
  35. False
  36. neutral
  37. False
  38. needed
  39. sugar water
  40. True

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