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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 464 · 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 plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  2. 2.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  3. 3.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
  5. 5.True or false: curd is a base. (a) True (b) False
  6. 6.True or false: plain water is neutral. (a) False (b) True
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a mirror (d) an empty bottle
  8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
  9. 9.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  10. 10.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a tray for spills (d) a seed
  12. 12.⚖️ 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 amount of vinegar (c) size of the balloon
  13. 13.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) orange juice (d) tamarind water
  14. 14.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  15. 15.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
  17. 17.⚖️ 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
  18. 18.🫧 Which of these is neutral? (a) baking soda water (b) detergent water (c) lemon juice (d) plain water
  19. 19.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  20. 20.True or false: lemon juice is neutral. (a) True (b) False
  21. 21.True or false: detergent water is an acid. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) baking soda water
  23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
  24. 24.🫧 Which of these is an acid? (a) lemon juice (b) detergent water (c) salt water (d) sugar water
  25. 25.⚖️ 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
  26. 26.True or false: vinegar is an acid. (a) False (b) True
  27. 27.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  28. 28.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
  29. 29.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) sugar water (d) plain water
  30. 30.⚖️ 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) the kind of balloon (c) size of the balloon (d) spoons of baking soda
  31. 31.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  32. 32.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  33. 33.True or false: orange juice is an acid. (a) True (b) False
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) a battery cell
  36. 36.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a comb
  38. 38.🫧 Which of these is a base? (a) baking soda water (b) lemon juice (c) tamarind water (d) sugar water
  39. 39.True or false: curd is an acid. (a) True (b) False
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a comb (d) a balloon

Answer key

  1. very little fizzing
  2. an acid
  3. False
  4. sugar water
  5. False
  6. True
  7. a mirror
  8. rinse with clean water
  9. needed
  10. a base
  11. a tray for spills
  12. the amount of vinegar
  13. detergent water
  14. False
  15. an acid
  16. the same bottle
  17. the kind of balloon
  18. plain water
  19. True
  20. False
  21. False
  22. baking soda water
  23. keep it away from eyes
  24. lemon juice
  25. we change it
  26. True
  27. True
  28. gas is made inside
  29. orange juice
  30. spoons of baking soda
  31. needed
  32. needed
  33. True
  34. False
  35. a battery cell
  36. False
  37. a comb
  38. baking soda water
  39. True
  40. a balloon

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