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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 103 · 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.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) baking soda water (d) tamarind water
  2. 2.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) soap solution (d) salt water
  3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) an empty bottle (d) vinegar
  4. 4.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  5. 5.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  6. 6.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
  7. 7.⚖️ 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 amount of vinegar (c) the same bottle (d) the kind of balloon
  8. 8.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  9. 9.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) soap solution (d) detergent water
  10. 10.🛟 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
  11. 11.🫧 Which of these is neutral? (a) orange juice (b) detergent water (c) salt water (d) lemon juice
  12. 12.🔮 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
  13. 13.🔍 Which is the odd one out? (a) orange juice (b) curd (c) salt water (d) lemon juice
  14. 14.⚖️ 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 measure it (c) we keep it the same
  15. 15.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
  17. 17.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  18. 18.True or false: curd is a base. (a) False (b) True
  19. 19.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a funnel or spoon (d) sugar
  21. 21.🔍 Which is the odd one out? (a) detergent water (b) lemon juice (c) soap solution (d) baking soda water
  22. 22.🔍 Which is the odd one out? (a) curd (b) salt water (c) plain water (d) sugar water
  23. 23.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  24. 24.True or false: vinegar is a base. (a) False (b) True
  25. 25.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) vinegar (d) salt water
  26. 26.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  27. 27.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
  28. 28.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  29. 29.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  30. 30.True or false: curd is an acid. (a) False (b) True
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
  32. 32.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) baking soda (d) vinegar
  34. 34.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  35. 35.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
  36. 36.⚖️ 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
  37. 37.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  38. 38.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) tamarind water
  39. 39.⚖️ 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
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a magnet (d) a tray for spills

Answer key

  1. tamarind water
  2. soap solution
  3. a comb
  4. True
  5. not needed
  6. lots of fizzy bubbles
  7. spoons of baking soda
  8. an acid
  9. orange juice
  10. rinse with clean water
  11. salt water
  12. an ingredient ran out
  13. salt water
  14. we keep it the same
  15. needed
  16. it grows bigger
  17. not needed
  18. False
  19. False
  20. sugar
  21. lemon juice
  22. curd
  23. False
  24. False
  25. vinegar
  26. not needed
  27. yes, a new gas forms
  28. neutral
  29. a base
  30. True
  31. True
  32. False
  33. sugar
  34. True
  35. they react
  36. False
  37. an acid
  38. tamarind water
  39. True
  40. a magnet

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