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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 118 · 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: curd is an acid. (a) True (b) False
  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.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) salt water (d) plain water
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) an empty bottle (d) a tray for spills
  5. 5.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
  7. 7.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  8. 8.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  9. 9.⚖️ 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
  10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a funnel or spoon (d) a magnet
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a balloon (d) a battery cell
  12. 12.🫧 Which of these is neutral? (a) lemon juice (b) curd (c) soap solution (d) sugar water
  13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
  14. 14.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) detergent water (d) soap solution
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
  16. 16.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  17. 17.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
  18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
  19. 19.True or false: detergent water is an acid. (a) False (b) True
  20. 20.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
  22. 22.True or false: tamarind water is an acid. (a) False (b) True
  23. 23.True or false: lemon juice is an acid. (a) True (b) False
  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 keep it the same (c) we change it
  25. 25.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  26. 26.True or false: curd is a base. (a) False (b) True
  27. 27.True or false: vinegar is an acid. (a) True (b) False
  28. 28.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) a tray for spills (d) an empty bottle
  30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) baking soda (d) vinegar
  31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) vinegar (d) a mirror
  32. 32.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  33. 33.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) curd (d) salt water
  34. 34.⚖️ 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
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
  36. 36.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
  38. 38.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
  39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) vinegar (d) sugar
  40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption

Answer key

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

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