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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 122 · 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.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  2. 2.True or false: curd is a base. (a) True (b) False
  3. 3.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
  4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
  5. 5.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  6. 6.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) vinegar (d) a comb
  8. 8.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) a funnel or spoon (d) vinegar
  10. 10.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a mirror (d) vinegar
  12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a balloon (d) a mirror
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) vinegar (d) a tray for spills
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) the same bottle
  16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a funnel or spoon (c) a tray for spills (d) baking soda
  17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
  18. 18.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  19. 19.🔮 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
  20. 20.⚖️ 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
  21. 21.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a magnet (d) a battery cell
  23. 23.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) sugar water (d) salt water
  24. 24.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  25. 25.🔍 Which is the odd one out? (a) curd (b) salt water (c) sugar water (d) plain water
  26. 26.True or false: tamarind water is an acid. (a) False (b) True
  27. 27.True or false: soap solution is neutral. (a) True (b) False
  28. 28.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  29. 29.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  30. 30.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a funnel or spoon (d) a tray for spills
  32. 32.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
  34. 34.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
  35. 35.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a comb (d) a balloon
  38. 38.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) soap solution (d) lemon juice
  39. 39.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  40. 40.True or false: detergent water is a base. (a) False (b) True

Answer key

  1. False
  2. False
  3. an ingredient ran out
  4. keep it away from eyes
  5. False
  6. lots of fizzy bubbles
  7. a comb
  8. True
  9. sugar
  10. needed
  11. a mirror
  12. a mirror
  13. a battery cell
  14. rinse with clean water
  15. size of the balloon
  16. a seed
  17. we measure it
  18. not needed
  19. it grows bigger
  20. False
  21. needed
  22. baking soda
  23. soap solution
  24. not needed
  25. curd
  26. True
  27. False
  28. False
  29. True
  30. an acid
  31. sugar
  32. yes, a new gas forms
  33. True
  34. very little fizzing
  35. needed
  36. True
  37. a comb
  38. lemon juice
  39. not needed
  40. True

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