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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 556 · 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.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  2. 2.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) baking soda (d) sugar
  4. 4.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  5. 5.🫧 Which of these is neutral? (a) baking soda water (b) lemon juice (c) curd (d) salt water
  6. 6.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  7. 7.True or false: sugar water is a base. (a) False (b) True
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) a balloon (d) baking soda
  9. 9.🫧 Which of these is a base? (a) vinegar (b) curd (c) soap solution (d) sugar water
  10. 10.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
  12. 12.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the kind of balloon
  13. 13.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
  16. 16.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  17. 17.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) detergent water (d) vinegar
  18. 18.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) curd (d) tamarind water
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
  20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they react (d) they float apart
  21. 21.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  22. 22.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  23. 23.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  24. 24.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  25. 25.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
  27. 27.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a balloon (d) a comb
  29. 29.⚖️ 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 measure it (c) we keep it the same
  30. 30.True or false: soap solution is neutral. (a) False (b) True
  31. 31.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
  34. 34.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  35. 35.⚖️ 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
  36. 36.🫧 Which of these is an acid? (a) orange juice (b) soap solution (c) plain water (d) sugar water
  37. 37.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) baking soda (d) vinegar
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a balloon (d) baking soda
  40. 40.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired

Answer key

  1. an acid
  2. lots of fizzy bubbles
  3. baking soda
  4. True
  5. salt water
  6. neutral
  7. False
  8. a battery cell
  9. soap solution
  10. an acid
  11. keep it away from eyes
  12. spoons of baking soda
  13. False
  14. rinse with clean water
  15. size of the balloon
  16. an acid
  17. detergent water
  18. plain water
  19. False
  20. they react
  21. True
  22. not needed
  23. an acid
  24. an acid
  25. not needed
  26. the kind of balloon
  27. needed
  28. a comb
  29. we measure it
  30. False
  31. not needed
  32. needed
  33. it grows bigger
  34. False
  35. we keep it the same
  36. orange juice
  37. a base
  38. a comb
  39. a mirror
  40. an ingredient ran out

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