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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 54 · 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 is the odd one out? (a) orange juice (b) lemon juice (c) tamarind water (d) detergent water
  2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
  3. 3.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
  4. 4.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
  5. 5.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  6. 6.True or false: soap solution is a base. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) lemon juice (d) baking soda water
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) baking soda (d) a mirror
  10. 10.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  11. 11.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) tamarind water (d) baking soda water
  12. 12.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a seed
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) baking soda (d) a balloon
  15. 15.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  16. 16.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  17. 17.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  18. 18.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  19. 19.⚖️ 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 measure it (c) we keep it the same
  20. 20.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
  22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
  24. 24.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  25. 25.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  26. 26.⚖️ 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 change it (c) we keep it the same
  27. 27.True or false: detergent water is a base. (a) False (b) True
  28. 28.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) orange juice
  30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
  31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) baking soda (d) a comb
  32. 32.🫧 Which of these is a base? (a) tamarind water (b) baking soda water (c) plain water (d) sugar water
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) an empty bottle (d) a battery cell
  34. 34.🔍 Which is the odd one out? (a) orange juice (b) sugar water (c) tamarind water (d) vinegar
  35. 35.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  36. 36.🫧 Which of these is neutral? (a) detergent water (b) vinegar (c) tamarind water (d) plain water
  37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a mirror (d) vinegar
  38. 38.⚖️ 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
  39. 39.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) vinegar (d) soap solution

Answer key

  1. detergent water
  2. it grows bigger
  3. an ingredient ran out
  4. lots of fizzy bubbles
  5. True
  6. True
  7. True
  8. lemon juice
  9. a mirror
  10. not needed
  11. tamarind water
  12. an acid
  13. a seed
  14. sugar
  15. not needed
  16. an acid
  17. an acid
  18. False
  19. we change it
  20. False
  21. keep it away from eyes
  22. a base
  23. carbon dioxide
  24. needed
  25. False
  26. we keep it the same
  27. True
  28. True
  29. orange juice
  30. False
  31. baking soda
  32. baking soda water
  33. an empty bottle
  34. sugar water
  35. True
  36. plain water
  37. vinegar
  38. we measure it
  39. False
  40. soap solution

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