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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 77 · 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) curd (b) baking soda water (c) salt water (d) soap solution
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
  3. 3.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) lemon juice
  4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the same bottle
  6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a balloon (d) sugar
  7. 7.⚖️ 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) True (b) False
  8. 8.🫧 Which of these is neutral? (a) orange juice (b) plain water (c) lemon juice (d) detergent water
  9. 9.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  10. 10.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) sugar water (d) salt water
  11. 11.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
  12. 12.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) vinegar (d) tamarind water
  13. 13.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) curd (d) soap solution
  14. 14.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) tamarind water
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a mirror
  16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
  17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) it turns to honey (d) a huge eruption
  18. 18.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) a tray for spills (d) a funnel or spoon
  20. 20.True or false: curd is an acid. (a) True (b) False
  21. 21.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  22. 22.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
  24. 24.⚖️ 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
  25. 25.True or false: baking soda water is an acid. (a) True (b) False
  26. 26.⚖️ 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
  27. 27.True or false: soap solution is an acid. (a) False (b) True
  28. 28.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  29. 29.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  30. 30.True or false: lemon juice is a base. (a) True (b) False
  31. 31.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  32. 32.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a funnel or spoon (d) a mirror
  33. 33.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  34. 34.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a mirror (d) a seed
  35. 35.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
  36. 36.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
  37. 37.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) baking soda water (d) soap solution
  38. 38.⚖️ 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
  39. 39.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) a balloon (d) a funnel or spoon

Answer key

  1. curd
  2. size of the balloon
  3. lemon juice
  4. needed
  5. spoons of baking soda
  6. sugar
  7. True
  8. plain water
  9. neutral
  10. baking soda water
  11. an ingredient ran out
  12. baking soda water
  13. soap solution
  14. tamarind water
  15. a mirror
  16. it grows bigger
  17. very little fizzing
  18. a base
  19. a comb
  20. True
  21. needed
  22. not needed
  23. False
  24. we change it
  25. False
  26. the amount of vinegar
  27. False
  28. a base
  29. an acid
  30. False
  31. a base
  32. a funnel or spoon
  33. gas is made inside
  34. baking soda
  35. rinse with clean water
  36. keep it away from eyes
  37. vinegar
  38. True
  39. not needed
  40. a seed

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