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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 271 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) baking soda (d) vinegar
  2. 2.🫧 Which of these is neutral? (a) tamarind water (b) lemon juice (c) curd (d) plain water
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
  4. 4.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  5. 5.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) vinegar (d) a balloon
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) a balloon (d) an empty bottle
  8. 8.True or false: tamarind water is an acid. (a) True (b) False
  9. 9.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
  10. 10.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  11. 11.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  12. 12.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) lemon juice (d) orange juice
  13. 13.True or false: sugar water is neutral. (a) False (b) True
  14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
  15. 15.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  16. 16.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
  17. 17.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  18. 18.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  19. 19.True or false: orange juice is neutral. (a) False (b) True
  20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) a balloon (d) a tray for spills
  22. 22.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  23. 23.⚖️ 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 change it (c) we keep it the same
  24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a balloon (c) a comb (d) a magnet
  25. 25.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  26. 26.True or false: orange juice is an acid. (a) False (b) True
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
  28. 28.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  29. 29.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
  30. 30.True or false: lemon juice is neutral. (a) True (b) False
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a battery cell (d) a seed
  33. 33.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
  34. 34.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  35. 35.🧺 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 comb (d) a balloon
  36. 36.True or false: vinegar is neutral. (a) False (b) True
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) baking soda (d) a tray for spills
  38. 38.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  39. 39.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
  40. 40.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

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

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