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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 950 · 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.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) vinegar
  3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the same bottle
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a mirror (d) a balloon
  8. 8.🔍 Which is the odd one out? (a) vinegar (b) sugar water (c) orange juice (d) lemon juice
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) an empty bottle (d) baking soda
  10. 10.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) soap solution (d) sugar water
  11. 11.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) tamarind water (d) baking soda water
  13. 13.True or false: baking soda water is an acid. (a) True (b) False
  14. 14.🫧 Which of these is neutral? (a) curd (b) lemon juice (c) plain water (d) soap solution
  15. 15.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) lemon juice (d) detergent water
  16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
  17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) baking soda (d) a mirror
  18. 18.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
  19. 19.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  20. 20.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
  21. 21.⚖️ 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 measure it (c) we keep it the same
  22. 22.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) vinegar (d) an empty bottle
  24. 24.⚖️ 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
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a balloon (d) a funnel or spoon
  26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) vinegar (c) a funnel or spoon (d) an empty bottle
  27. 27.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  28. 28.True or false: soap solution is a base. (a) True (b) False
  29. 29.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
  30. 30.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  31. 31.🫧 Which of these is an acid? (a) curd (b) sugar water (c) detergent water (d) plain water
  32. 32.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  33. 33.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
  34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) a mirror (d) a magnet
  35. 35.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) detergent water (d) lemon juice
  36. 36.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) plain water (d) orange juice
  37. 37.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) plain water (d) salt water
  38. 38.🫧 Which of these is a base? (a) lemon juice (b) sugar water (c) curd (d) baking soda water
  39. 39.⚖️ 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
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a comb (d) a battery cell

Answer key

  1. False
  2. vinegar
  3. needed
  4. we change it
  5. spoons of baking soda
  6. False
  7. a mirror
  8. sugar water
  9. a magnet
  10. sugar water
  11. True
  12. tamarind water
  13. False
  14. plain water
  15. lemon juice
  16. keep it away from eyes
  17. a mirror
  18. gas is made inside
  19. an acid
  20. yes, a new gas forms
  21. we keep it the same
  22. not needed
  23. a seed
  24. we keep it the same
  25. a battery cell
  26. sugar
  27. neutral
  28. True
  29. an ingredient ran out
  30. True
  31. curd
  32. True
  33. very little fizzing
  34. vinegar
  35. detergent water
  36. plain water
  37. vinegar
  38. baking soda water
  39. True
  40. an empty bottle

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