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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 477 · 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.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
  2. 2.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) vinegar (d) salt water
  3. 3.True or false: lemon juice is an acid. (a) False (b) True
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) baking soda (d) a comb
  5. 5.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a magnet
  7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a mirror (c) a balloon (d) an empty bottle
  8. 8.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) sugar water (d) lemon juice
  9. 9.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) plain water (d) sugar water
  10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) sugar (d) a mirror
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
  12. 12.⚖️ 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
  13. 13.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  14. 14.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  15. 15.True or false: tamarind water is a base. (a) False (b) True
  16. 16.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) an empty bottle (d) sugar
  18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
  19. 19.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) baking soda (d) a balloon
  21. 21.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) lemon juice
  22. 22.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
  23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
  25. 25.True or false: plain water is an acid. (a) True (b) False
  26. 26.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) soap solution (d) orange juice
  27. 27.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  28. 28.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
  29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
  30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a comb (d) a balloon
  31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a magnet (d) a seed
  32. 32.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  33. 33.True or false: vinegar is an acid. (a) False (b) True
  34. 34.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) orange juice (d) plain water
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
  37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a mirror (d) baking soda
  38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a funnel or spoon (d) a magnet
  39. 39.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base

Answer key

  1. an ingredient ran out
  2. vinegar
  3. True
  4. a comb
  5. not needed
  6. a magnet
  7. a mirror
  8. lemon juice
  9. curd
  10. a funnel or spoon
  11. spoons of baking soda
  12. the kind of balloon
  13. not needed
  14. False
  15. False
  16. a base
  17. an empty bottle
  18. keep it away from eyes
  19. rinse with clean water
  20. sugar
  21. lemon juice
  22. yes, a new gas forms
  23. it grows bigger
  24. we measure it
  25. False
  26. orange juice
  27. needed
  28. gas is made inside
  29. carbon dioxide
  30. a comb
  31. a tray for spills
  32. needed
  33. True
  34. True
  35. plain water
  36. the amount of vinegar
  37. baking soda
  38. a magnet
  39. an acid
  40. an acid

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