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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 808 · 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 not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) vinegar (d) baking soda
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) orange juice
  4. 4.🫧 Which of these is neutral? (a) sugar water (b) detergent water (c) vinegar (d) tamarind water
  5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
  6. 6.⚖️ 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 kind of balloon (d) size of the balloon
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  8. 8.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  9. 9.🫧 Which of these is neutral? (a) plain water (b) baking soda water (c) lemon juice (d) vinegar
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) a funnel or spoon (d) a tray for spills
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) size of the balloon
  13. 13.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  14. 14.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  15. 15.True or false: lemon juice is a base. (a) False (b) True
  16. 16.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  17. 17.True or false: detergent water is a base. (a) True (b) False
  18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a funnel or spoon (d) a magnet
  19. 19.True or false: curd is an acid. (a) False (b) True
  20. 20.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) sugar (c) a balloon (d) baking soda
  22. 22.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) lemon juice (d) baking soda water
  23. 23.True or false: lemon juice is neutral. (a) True (b) False
  24. 24.🛟 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
  25. 25.⚖️ 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
  26. 26.True or false: sugar water is an acid. (a) False (b) True
  27. 27.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  28. 28.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) soap solution (d) vinegar
  29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) sugar (d) a tray for spills
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) sugar (c) a comb (d) a mirror
  31. 31.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) baking soda (d) vinegar
  33. 33.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) detergent water (d) vinegar
  34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a comb (d) a magnet
  35. 35.🔍 Which is the odd one out? (a) sugar water (b) curd (c) lemon juice (d) vinegar
  36. 36.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  37. 37.True or false: vinegar is an acid. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) salt water
  39. 39.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) baking soda (d) a seed

Answer key

  1. a comb
  2. False
  3. orange juice
  4. sugar water
  5. it grows bigger
  6. size of the balloon
  7. False
  8. gas is made inside
  9. plain water
  10. we keep it the same
  11. a mirror
  12. spoons of baking soda
  13. needed
  14. not needed
  15. False
  16. not needed
  17. True
  18. a magnet
  19. True
  20. neutral
  21. sugar
  22. lemon juice
  23. False
  24. keep it away from eyes
  25. False
  26. False
  27. True
  28. vinegar
  29. sugar
  30. vinegar
  31. needed
  32. a magnet
  33. detergent water
  34. baking soda
  35. sugar water
  36. an acid
  37. True
  38. salt water
  39. True
  40. a seed

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