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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 695 · 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.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
  3. 3.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) detergent water (b) lemon juice (c) soap solution (d) baking soda water
  5. 5.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  6. 6.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) the kind of balloon
  9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
  10. 10.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) baking soda (d) a funnel or spoon
  12. 12.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) tamarind water (d) lemon juice
  13. 13.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  14. 14.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  15. 15.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) tamarind water
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) baking soda (d) a magnet
  18. 18.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  20. 20.True or false: lemon juice is an acid. (a) False (b) True
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
  22. 22.🫧 Which of these is a base? (a) plain water (b) salt water (c) sugar water (d) detergent water
  23. 23.⚖️ 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
  24. 24.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  25. 25.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  26. 26.🔮 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
  27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a magnet (d) baking soda
  28. 28.True or false: soap solution is an acid. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) salt water (d) detergent water
  30. 30.True or false: baking soda water is a base. (a) False (b) True
  31. 31.True or false: curd is a base. (a) True (b) False
  32. 32.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a comb (d) a seed
  34. 34.🫧 Which of these is a base? (a) vinegar (b) lemon juice (c) orange juice (d) soap solution
  35. 35.⚖️ 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
  36. 36.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) detergent water (d) tamarind water
  37. 37.⚖️ 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) False (b) True
  38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a tray for spills (d) sugar
  39. 39.True or false: curd is an acid. (a) True (b) False
  40. 40.True or false: soap solution is a base. (a) True (b) False

Answer key

  1. needed
  2. rinse with clean water
  3. True
  4. lemon juice
  5. False
  6. an acid
  7. keep it away from eyes
  8. spoons of baking soda
  9. it grows bigger
  10. False
  11. a seed
  12. plain water
  13. neutral
  14. a base
  15. True
  16. tamarind water
  17. baking soda
  18. they react
  19. True
  20. True
  21. we keep it the same
  22. detergent water
  23. we change it
  24. False
  25. True
  26. an ingredient ran out
  27. a magnet
  28. False
  29. salt water
  30. True
  31. False
  32. True
  33. a funnel or spoon
  34. soap solution
  35. True
  36. tamarind water
  37. True
  38. a tray for spills
  39. True
  40. True

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