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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 418 · 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: salt water is a base. (a) True (b) False
  2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) an empty bottle (d) a battery cell
  3. 3.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  4. 4.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  5. 5.🛟 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
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda 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) an empty bottle (b) vinegar (c) baking soda (d) a seed
  8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
  9. 9.True or false: sugar water is neutral. (a) False (b) True
  10. 10.🫧 Which of these is an acid? (a) vinegar (b) detergent water (c) sugar water (d) plain water
  11. 11.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  12. 12.📘 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
  13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
  14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) a tray for spills (d) baking soda
  15. 15.🫧 Which of these is a base? (a) baking soda water (b) salt water (c) sugar water (d) tamarind water
  16. 16.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  17. 17.⚖️ 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 keep it the same (c) we measure it
  18. 18.🔍 Which is the odd one out? (a) vinegar (b) curd (c) lemon juice (d) plain water
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
  20. 20.True or false: tamarind water is an acid. (a) False (b) True
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) sugar (d) a magnet
  22. 22.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  23. 23.🫧 Which of these is neutral? (a) vinegar (b) plain water (c) soap solution (d) baking soda water
  24. 24.⚖️ 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
  25. 25.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
  26. 26.True or false: lemon juice is an acid. (a) False (b) True
  27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a tray for spills (d) a funnel or spoon
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a funnel or spoon (d) a mirror
  31. 31.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  32. 32.True or false: salt water is neutral. (a) True (b) False
  33. 33.🫧 Which of these is a base? (a) lemon juice (b) plain water (c) soap solution (d) vinegar
  34. 34.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  35. 35.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
  36. 36.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  37. 37.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  38. 38.⚖️ 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
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a tray for spills (d) a comb
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a mirror (d) a battery cell

Answer key

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

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