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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 70 · 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) plain water (b) salt water (c) lemon juice (d) sugar water
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) sugar (d) vinegar
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a comb (d) an empty bottle
  4. 4.🫧 Which of these is an acid? (a) soap solution (b) vinegar (c) sugar water (d) detergent water
  5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
  6. 6.⚖️ 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 keep it the same (c) we measure it
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a seed (d) a mirror
  8. 8.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
  9. 9.🫧 Which of these is an acid? (a) curd (b) salt water (c) baking soda water (d) plain water
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  12. 12.🫧 Which of these is neutral? (a) orange juice (b) curd (c) plain water (d) soap solution
  13. 13.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  14. 14.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  15. 15.True or false: salt water is neutral. (a) False (b) True
  16. 16.True or false: curd is an acid. (a) False (b) True
  17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
  18. 18.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
  20. 20.True or false: sugar water is an acid. (a) True (b) False
  21. 21.⚖️ 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
  22. 22.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the same bottle
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) vinegar (d) a funnel or spoon
  25. 25.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a comb (d) vinegar
  27. 27.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) salt water (d) detergent water
  28. 28.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
  29. 29.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  30. 30.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  31. 31.True or false: baking soda water is a base. (a) False (b) True
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
  33. 33.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  34. 34.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
  35. 35.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  36. 36.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) sugar (d) a tray for spills
  38. 38.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  39. 39.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
  40. 40.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) vinegar

Answer key

  1. lemon juice
  2. sugar
  3. an empty bottle
  4. vinegar
  5. keep it away from eyes
  6. we keep it the same
  7. a balloon
  8. an ingredient ran out
  9. curd
  10. size of the balloon
  11. True
  12. plain water
  13. rinse with clean water
  14. a base
  15. True
  16. True
  17. it grows bigger
  18. lots of fizzy bubbles
  19. False
  20. False
  21. False
  22. True
  23. the same bottle
  24. a magnet
  25. not needed
  26. a comb
  27. lemon juice
  28. gas is made inside
  29. a base
  30. False
  31. True
  32. we keep it the same
  33. not needed
  34. True
  35. an acid
  36. an acid
  37. sugar
  38. False
  39. very little fizzing
  40. vinegar

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