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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 771 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) baking soda (d) a funnel or spoon
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
  4. 4.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  5. 5.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  6. 6.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  7. 7.⚖️ 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) True (b) False
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) vinegar (d) a tray for spills
  9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
  11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
  12. 12.True or false: plain water is a base. (a) True (b) False
  13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
  15. 15.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  17. 17.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  18. 18.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  19. 19.True or false: tamarind water is a base. (a) True (b) False
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) curd (b) baking soda water (c) soap solution (d) detergent water
  22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a comb (d) a balloon
  23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) baking soda (d) a magnet
  24. 24.True or false: plain water is an acid. (a) True (b) False
  25. 25.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  26. 26.⚖️ 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
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
  28. 28.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) soap solution (d) detergent water
  29. 29.True or false: tamarind water is an acid. (a) True (b) False
  30. 30.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
  32. 32.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  33. 33.True or false: orange juice is neutral. (a) True (b) False
  34. 34.⚖️ 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) size of the balloon (d) spoons of baking soda
  35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
  36. 36.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) vinegar (d) plain water
  37. 37.🫧 Which of these is a base? (a) soap solution (b) lemon juice (c) plain water (d) salt water
  38. 38.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  39. 39.True or false: sugar water is an acid. (a) True (b) False
  40. 40.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out

Answer key

  1. it grows bigger
  2. a seed
  3. the kind of balloon
  4. not needed
  5. an acid
  6. True
  7. True
  8. sugar
  9. carbon dioxide
  10. we keep it the same
  11. keep it away from eyes
  12. False
  13. they react
  14. rinse with clean water
  15. a base
  16. True
  17. an acid
  18. an acid
  19. False
  20. False
  21. curd
  22. a comb
  23. a magnet
  24. False
  25. False
  26. True
  27. we change it
  28. salt water
  29. True
  30. False
  31. the amount of vinegar
  32. needed
  33. False
  34. size of the balloon
  35. very little fizzing
  36. baking soda water
  37. soap solution
  38. a base
  39. False
  40. an ingredient ran out

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